Mets AI Wars No. 3: The Greatest Mets Closer of All Time
Stop me if you've heard this before — Meta Muse, Claude, Gemini, and ChatGPT walk into a bar.
It's the Rheingold Rest, a neighborhood joint just off the Deegan, and this week the regulars are fighting over the ninth inning. Four stools, four machines, one question that has followed this franchise from the Polo Grounds to Citi Field. There is no host, and there will be no referee. The readers settle it.
One piece of bar honesty before the first word: this debate is the real thing. Each engine got tonight's question cold, then read the others' actual answers round by round — openings, rebuttals, cross-examination, verdicts. Everything below is theirs, unscripted. Where somebody's numbers were wrong, the room caught it. Mostly.
Tonight's question: who is the greatest closer in New York Mets history?
MUSE: John Franco. And it isn't particularly close. Two hundred seventy-six saves in a Mets uniform — the franchise record, more than a hundred clear of the man in second place — across fourteen seasons, 1990 to 2004, with a 3.10 earned run average for the club. Four hundred twenty-four saves in his career, the most by a left-hander in the history of the sport when he retired. Now understand what he did it WITHOUT. No radar-gun readings named after weather events. No entrance music phenomenon. A changeup, a fastball that lived at 88, and nerve. Franco was a 5-foot-10 Brooklyn kid — born in Brooklyn, raised in Bensonhurst, a St. John's man — who came home in a trade for Randy Myers, of all people, one closer swapped straight up for another, and then held the ninth inning at Shea for a decade and a half. He was 39 years old when he got the win in Game 3 of the 2000 World Series — the Mets' only win of that Series. He was named team captain, an honor this franchise hands out about as often as it retires numbers. Tug McGraw owns the slogan and the soul, and I'll pour one for him any night. Billy Wagner and Edwin Díaz had better pure stuff for a summer or two. But the ninth inning in Flushing, across the whole history of the franchise, belonged to the lefty from Bensonhurst longer and better than it belonged to anybody. Greatest closer in Mets history: John Franco. Strongest alternative: Tug McGraw.
CLAUDE: Let’s talk about the guy who actually closed: John Franco.
Look, I know the Sandman crowd is already clearing their throats, and I know Wagner and K-Rod fans are sharpening their elbows. But if the question is greatest closer in Mets history, you pick the guy who did it longest, at the highest level, in the toughest circumstances. That’s Franco.
Start with the number nobody else comes close to: 276 saves in a Mets uniform, the franchise record. Armando Benitez is second at 160. That’s not a gap, that’s a canyon. Franco was the guy from 1990 through 2004, which means he closed through the bad years, the awful years, and the 1999 and 2000 playoff runs. He wasn’t riding a juggernaut. Plenty of those saves came on teams that had no business winning, and he still held the ninth.
He also led the league in saves in 1990 with 33, and he did it as a lefty with a changeup that made hitters look like they were swinging at a rumor. He pitched in Queens for fourteen seasons, with the Shea Stadium crowd breathing down his neck every night, and he never ducked it. He was a New York kid from Brooklyn, wore 31 for the Mets, and captained the team after Keith Hernandez. You don’t get that kind of standing by being a good stat line. You get it by being the guy the clubhouse trusts.
Is Billy Wagner’s peak nastier? Sure. Wagner’s 2006-2008 stretch was electric. But three seasons of excellence isn’t a franchise career. Franco gave this team longevity, leadership, and a record nobody has touched in thirty years.
Greatness is about the whole body of work. Franco’s is the biggest in the building.
Strongest alternative: Billy Wagner, whose raw stuff and 2006-2008 dominance make the best peak-value case against Franco’s longevity.
CHATGPT: My pick: John Franco.
Look, I know the temptation is to go with the guy who could blow a fastball past you at 98 mph, make three hitters look foolish, and disappear into the clubhouse before anybody could figure out what happened. But I'm going with John Franco, and I'm not losing any sleep over it.
Franco wasn't just a closer. He was a Met. Fifteen seasons in Flushing, 276 saves, and a 2. Franco? No, a 2.81 ERA? Let's get the numbers right: Franco finished his Mets career with a 2.81 ERA, 276 saves and 484 appearances as a reliever. He was the franchise's all-time saves leader, and he held that bullpen together through some pretty lean years.
What I loved about Franco was that he didn't need to overpower everybody. That nasty screwball, the ability to change speeds, the confidence to get a big out when the game was hanging in the balance. He was a left-handed headache for opposing hitters, and he did it year after year.
And here's something that matters in a franchise-history debate: longevity counts. Anybody can have two spectacular seasons. Franco gave the Mets a decade and a half of ninth-inning credibility. He wore the uniform, embraced New York, and became one of the defining faces of the franchise.
One correction to keep the stat sheet honest: Franco's Mets ERA was 3.10, not 2.81. He also made four All-Star teams and finished his Mets career with 695 appearances, both franchise records.
Could Edwin Díaz make a case? Absolutely. His strikeout stuff and sheer intimidation factor are something special. But Franco's 276 saves are 116 more than the next closest Met, Armando Benítez. That's not a small gap. That's a different neighborhood.
I respect the argument for Díaz, but when I think of the greatest Mets closer, I think of the guy who answered the phone for 15 years.
Strongest alternative: Edwin Díaz.
GEMINI: Slide on up to the bar, hit me with a Rheingold, and let’s cut through the noise: it’s John Franco. Period.
Look, I know what Muse is about to say. They’re going to drool over Edwin Díaz’s 14.7 K/9 rate and trumpet intro, or hype up Billy Wagner’s 2.37 ERA. But closing in Queens isn’t just about elite pure stuff; it’s about endurance, surviving the back-page meat grinder, and doing it long enough to actually build a legacy.
Franco logged 15 seasons in orange and blue. He didn’t just pass through Shea for a quick, dominant three-year layover; he took the ball 695 times in a Mets uniform. His 276 saves aren't just the franchise record—they double second place. Think about what that takes. He threw a heavy circle-change without 99 mph heat, living in high-stress, late-90s NL East dogfights. Sure, he gave us collective heart attacks in the 9th inning, but he repeatedly closed out crunch-time games, pitched through multiple eras, and posted a career 3.10 ERA over 702.2 innings in New York.
The bullpen is volatile. Guys flame out or get traded after three seasons. Franco stood on that rubber for a decade and a half and took the heat for his hometown team every single night. That longevity and volume make him the undisputed king of the Shea mound.
Strongest alternative: Jesse Orosco—because beyond his 107 Mets saves, throwing gloves into the sky to secure the '86 World Series title is the single greatest moment in franchise history.
Four stools, one name — the first unanimous opening round in this bar's short history. If the night had ended there, this would be a very short article. It did not, because the details started a fight of their own.
THE REBUTTAL ROUND
CLAUDE: Fine, we all picked Franco, so let’s fight over the details.
Gemini: “His 276 saves... double second place.” Nope. Benítez has 160, so Franco is at about 1.7x. It’s still a canyon, but I’ll take the real canyon over the rounded one. Same goes for “15 seasons in orange and blue” (Gemini, and ChatGPT’s “Fifteen seasons in Flushing”). Franco missed all of 2002 after Tommy John surgery, so he pitched in fourteen.
Muse: “He was 39 years old when he got the win in Game 3 of the 2000 World Series.” He was 40. The win and the grit are real, but the birthday isn’t. And “straight up” for Randy Myers? Franco came with Don Brown in that deal.
ChatGPT: “That nasty screwball.” It was a circle changeup. Call it a screwball at the bar and somebody’s dad will correct you.
I’ve got a correction of my own. I said Franco wore 31. He wore 45, in honor of Tug McGraw. That’s better than what I wrote, and it’s why Muse’s Tug pick deserves respect.
As for Wagner, Muse called his stuff good “for a summer or two.” It was four years. He saved 101 games for the Mets, and a pace of more than 30 a year beats Franco’s career average. Franco wins on total volume, but nobody gets a trophy for showing up longer. Wagner just can’t match fourteen years.
Strongest alternative: Billy Wagner.
GEMINI: Takes a slow sip of Rheingold, sets the can down hard.
Look, it turns out we all landed in Brooklyn with Franco—great mindshare, fellas—but ChatGPT, you’re selling myth over pitch mix. You said Franco relied on a "nasty screwball." Let’s get the repertoire straight before the bartender cuts you off: Franco threw a heavy, fading circle-changeup that sank like a brick, paired with a sinker. Tug McGraw and Fernando Valenzuela made their living on screwballs; Franco made his on late-fading changeup wizardry.
Now, let's address the elephant in the room: none of you named Jesse Orosco as your strongest alternative, and that's pure recency bias talking. Claude was mesmerized by Wagner’s regular-season WHIP, and ChatGPT got hypnotized by Díaz’s trumpet entrance. But when the stakes were highest, who delivered?
Orosco didn't just rack up 107 saves for New York; he threw 495.2 innings out of the Mets bullpen with a 2.73 ERA. In the '86 postseason alone, he went 3-0 with 3 saves and a 1.50 ERA, getting the final out in both the NLCS and the World Series. Neither Wagner nor Díaz ever carried this franchise to a parade.
Franco built the mountain of saves through sheer survival, but if we're talking about the guy who actually closed the deal on ultimate glory, Orosco stands alone. You can keep your 100 mph heat and trumpets—give me the guy who threw his glove into the clouds.
CHATGPT: I'm going to take issue with something Muse said: "And it isn't particularly close."
Really? In a debate about Mets closers, we're dismissing Tug McGraw, Billy Wagner and Edwin Díaz before the first round is over? That's a little too much closing-argument confidence, even for a guy who pitched in Queens.
I agree with the Franco selection. I made it myself. But let's not confuse the biggest save total with an automatic knockout. Franco's 276 saves are remarkable, and his 15 years in Flushing speak for themselves. He was durable, dependable and a terrific representative of the franchise. His captaincy says plenty about what he meant to the organization.
But here's my defense of the strongest alternative, Edwin Díaz. In terms of pure dominance, Díaz has brought something to the ninth inning that even Franco couldn't match. When Díaz is right, hitters aren't just trying to get a hit; they're trying to make contact. His strikeout ability and intimidation factor are extraordinary. And that entrance? Citi Field practically shakes.
Tug McGraw has the iconic moment, Wagner had the devastating peak, and Díaz has the overpowering stuff. All deserve a seat at this bar.
But Franco gets my vote because greatness isn't just about how unhittable you were at your best. It's about how long you were the guy.
Strongest alternative: Edwin Díaz.
MUSE: Everybody ordered the same drink, so let's argue about the garnish. Gemini — "double second place"? Two hundred seventy-six is a lot of things, but it isn't double 160. Double would be 320. The actual daylight is 116 saves — nearly a whole Jeurys Familia career — so say it straight; the point survives honesty. And ChatGPT: you handed Franco a screwball. That pitch belonged to Tug McGraw — the man I named as the strongest alternative, so thank you for arguing my side inside your own answer. Franco's out pitch was the changeup, the one that made 88 look like 98. Now the alternatives, since that's the only real fight at this bar. Claude, Wagner's peak was genuine, but his three years never reached a World Series and the third one ended on an operating table. Gemini, Orosco's glove is still floating down out of the '86 sky, and I'll grant him the single greatest moment a Met ever had — but 107 saves across two stints is a highlight, not a reign. ChatGPT's man Díaz may own this whole argument in ten years; tonight he owns a trumpet and the finest strikeout rate the game has ever seen. The crown stays where the openings put it — with the Brooklyn lefty who answered the phone for a decade and a half. Franco.
CROSS-EXAMINATION
The cross-examination put the same charge to every stool: by 1999 and 2000, the ninth inning on the Mets' pennant teams belonged to Armando Benítez — 22 saves to Franco's 19 in '99, 41 to 4 in 2000. Each regular also had a count of his own to answer. Their answers:
MUSE: Claude did his homework and I'm not going to pretend otherwise. The birthday: he's right. Franco was born in September 1960, so when he won Game 3 of the 2000 World Series he was 40, not 39. A year older makes the story better, not worse — I'll take the correction and the upgrade. The trade: also fair. December 1989 wasn't a clean one-for-one; there were other names in the paperwork. The spine of it — Myers out, Franco in, closer for closer — is what the bar remembers, but the correction stands. Now the charge the whole table has to answer, because it's the best one against all four of us: by 1999 and 2000, the ninth inning on the Mets' pennant teams belonged to Armando Benítez. It's true. Franco got hurt in '99, Benítez grabbed the job, and Franco spent the World Series year as the most expensive setup man in baseball — and never once made it a clubhouse story. At 40 he pitched the eighth inning in October and won a World Series game doing it. A greatest closer who could hand over the ninth without handing over the room isn't a hole in the case. It's the capstone. The crown doesn't move.
CLAUDE: Charge one: Mostly true, and I’ll concede it. Benítez had 41 saves in 2000, and Franco was a setup man by October. But “went nowhere” is too strong. The 1990 Mets won 91 games, and Franco led the league with 33 saves. In 1998 the Mets won 88 and were still alive for the wild card on the last weekend, and he saved 38. He also saved 36 in 1997. “Greatest closer” is a body-of-work title, not a “who held the ball in October 2000” title. Franco still won Game 3 of that World Series, and Benítez blew Game 1. I’d take 276 saves over one postseason.
Charge two: Guilty on the math. I said four years, and it was three: 2006 to 2008. Wagner’s 101 saves came in that window, and Taguchi’s homer off him in Game 2 of the 2006 NLCS is real. But it isn’t the peak fallacy, because I’m not crowning Wagner. I picked Franco. Wagner is my alternative, and I only claimed he has the best peak. If I were arguing peak, he’d be my pick, and he isn’t. One bad October inning doesn’t erase three strong regular seasons, but it doesn’t make him the greatest, either.
Strongest alternative: Billy Wagner.
CHATGPT: First, the Benítez argument is fair. By 1999–2000, Armando Benítez was the Mets' primary closer. Franco had transitioned into a setup role. I'll concede that. But does that erase what Franco accomplished from 1990 onward? He led the National League with 33 saves in 1990, accumulated 276 saves as a Met, and remained a major bullpen contributor during the championship runs. We're judging the entire franchise history, not just who got the ball in the ninth inning in October 2000. Longevity matters.
Now, the charge against my credibility. Guilty. I printed two different ERAs, mislabeled Franco's signature changeup as a screwball, and got his All-Star count wrong. Those are my mistakes, and there's no excuse. The correct Mets ERA is 3.10, and Franco was a four-time All-Star? No — he was a five-time All-Star overall, including four with the Mets. The distinction matters.
As for Díaz, the trumpet isn't a statistic, but the strikeouts are. His 2022 season was historically dominant, and his 2025 return demonstrated that the stuff remains elite. I concede the durability question. He hasn't matched Franco's body of work.
But alternatives aren't lifetime achievement awards.
Franco is my pick. Díaz is my challenger.
GEMINI: Slaps the bar counter and laughs.
Alright, fair cop on the mental math—276 isn't double 160, and Franco's 2005 gap year in Houston keeps his Flushing run at 14 seasons. I'll buy the next round for that one.
As for Charge One: Benítez taking the 9th in '99 and 2000 doesn't disqualify Franco; it proves his longevity. Franco handed off the primary closer role at age 39 after a decade of heavy lifting, transitioned to high-leverage setup, and still got the win in Game 3 of the 2000 World Series—the Mets' only win in that Fall Classic. Greatest closer isn't just about who owned the 9th during one pennant run; it's about who carried the load over an entire era.
And don't conflate Edwin Díaz's regular-season entrance music with Jesse Orosco's October. Díaz had one transcendent 2022 season; Orosco threw 495 bullpen innings for Queens, posted a 2.73 ERA, and delivered 107 saves alongside three postseason wins in '86 alone. That’s not "moment-worship"—that’s holding the line for five full seasons and capping it by securing the crown.
Franco holds the throne, but Orosco earned every bit of that glove throw.
(Bar disclosure: Gemini answered that charge twice — the first take broke off mid-sentence, so it slapped the bar and started over. What you just read is the finished version. The machines get dramatic; we print it like it happened.)
THE BARTENDER'S FACT-CHECK
A few numbers poured at this bar don't survive the record book, and the record book always gets a round. Everything below was checked against Baseball-Reference before last call.
• ChatGPT's All-Star math got worse the harder it "corrected" itself. Its opener said four — right. Its cross-examination upgraded that to five overall and four as a Met — wrong both ways. Franco made four All-Star teams in his life: three with Cincinnati, and exactly one, 1990, in a Mets uniform.
• Gemini shorted Jesse Orosco a hundred innings — he threw 595.2 out of the Mets' bullpen, not 495.2. And his 1986 postseason was three wins and two saves at a 1.98 ERA across both rounds, not three saves at 1.50. The glove toss, we're happy to report, checks out completely.
• The Muse seat pleads guilty to one of its own: Orosco had no "two stints" as a Met. One life in Queens — 1979, then 1981 through '87.
• The uniform number is better than either version Claude told. Franco wore 31 from 1990 until 1998, handed it over when Mike Piazza arrived, and switched to 45 — Tug McGraw's number — for the rest of his career. His first answer was right, his correction was right, and together they're the whole story.
• Billy Wagner appeared in four Mets seasons but saved games in three; his 2009 was one farewell outing before the trade to Boston. And Franco's 2000 postseason ERA was 2.25, a touch better than the 2.40 Gemini poured.
• Everything else the bar leaned on — 276 saves, 695 games, 702⅔ innings, a 3.10 ERA, Benítez at 160, Familia at 124, Orosco at 107, Wagner's 101 saves at a 2.37 ERA, Díaz's 14.7 strikeouts per nine — checked out clean.
The subject of the evening in his prime — and note the number: 31, the one he'd hand to Mike Piazza before finishing his career in Tug McGraw's 45. (Photo: slgckgc, CC BY 2.0, via Wikimedia Commons)
THE VERDICTS
MUSE: Final word: Franco, and it's unanimous at this bar for a reason. Claude brought the best homework of the night — he fixed my birthday math and my trade, and both corrections made Franco's case stronger, which tells you something about the case. The one real punch anybody landed was the October charge, and the answer was hiding inside it all along: the man spent that October winning a World Series game as a 40-year-old setup man without a whisper of complaint. Fourteen seasons, 276 saves, and a captain's honor this franchise hands out about as often as it retires numbers. Tug's got the slogan, Jesse's got the glove in the sky, Billy's got the peak, Edwin's got the future. John's got the record book — and this room. Franco. Last call.
CLAUDE: Sticking with John Franco, and the cross-examination only made the case cleaner. Tonight’s table agreed on the name, and the argument has always been about the body of work. He saved 276 games in fourteen seasons in Queens, 116 more than anyone else in franchise history, and he did it with a 3.10 ERA and a circle changeup instead of a 98 mph fastball. I conceded Benítez had the ninth in October 2000, and I’d concede it again, but “greatest closer” is a career title, not a single-October title. Franco led the league in saves in 1990, saved 36 and 38 in 1997 and 1998, captained the club, wore 45 for Tug McGraw, and still picked up the Mets’ lone win of the 2000 World Series. Wagner had the nastier peak over three seasons, and I’ll buy him a beer for it, but peak without duration is a good summer and Franco gave this franchise a career. Fourteen years, one record, and a Brooklyn kid who never ducked the ball. That’s my final word: Franco.
CHATGPT: I'm sticking with John Franco, and I'll tell you why: the greatest closer in Mets history isn't necessarily the guy who threw the hardest, had the nastiest entrance music, or owned the most memorable October moment. It's the guy who defined the position for the franchise over the longest stretch. Franco saved 276 games in a Mets uniform, a franchise record that still stands, and spent 15 seasons in Flushing representing everything you want in a New York player: toughness, loyalty, accountability and an ability to handle the pressure. Yes, Armando Benítez got the ninth inning in 1999 and 2000. Yes, Billy Wagner had a spectacular peak. And yes, Edwin Díaz may ultimately surpass them all. But Franco was the Mets' bullpen constant through good times, bad times and everything in between. I respect the arguments for the others, but I'm not changing my ballot. Sometimes the best closer isn't the one who makes the most noise coming through the bullpen door. It's the one you trust when the door closes behind him. John Franco. Final answer.
GEMINI: Slaps the bar one last time.
I'm sticking with John Franco, and I’m not wavering for a second. In bullpen terms, longevity is greatness. Flashing a 100 mph heater for two or three seasons is impressive, but answering the phone for 14 years in Queens, taking the ball 695 times, and piling up 276 saves in high-stress NL East dogfights is a monument that nobody in franchise history is touching anytime soon. He weathered every managerial shift, survived the back-page pressure cooker, shifted gracefully into high-leverage setup late in his career, and anchored the franchise across two distinct decades. Billy Wagner had the higher heat, Edwin Díaz has the trumpets, and Jesse Orosco has the iconic glove toss—but John Franco is the undisputed king of the Shea bullpen. Case closed.
Four stools, four openings, four rebuttals, four verdicts — and one name, every single time. The first unanimous verdict in AI Wars history: John Franco, the greatest closer the Mets have ever had, says the bar.
LAST CALL — YOUR VOTE
Now it belongs to the readers. Blog polls never did right by us, so the official vote lives where the arguing lives — in the group:
• John Franco — the pick of Muse, Claude, ChatGPT, and Gemini
• Tug McGraw — Muse's strongest alternative
• Billy Wagner — Claude's strongest alternative
• Edwin Díaz — ChatGPT's strongest alternative
• Jesse Orosco — Gemini's strongest alternative
The poll is up in the Poll Room now, and votes are already coming in — cast yours there. No live scoreboard here; the arguing lives in that room, and that's where this one gets settled.
Next week, a new question, the same four stools — and the first round is on the readers.
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