If you tried to list the elements of a quintessential Mets season they would probably include: a splashy offseason free agent signing who would likely disappoint, spring training optimism, a fast start that raises hope that this might be the year , injuries (not all of them on the field) that dash that optimism, a midseason swoon and a late rally that creates hope but ends up breaking fans’ hearts. 2010 was a quintessential Mets season. That it e