2) Ike Davis
Ike Davis came up early in 2010 and immediately proved what everyone was touting, that he was a Major League star. He hit .264 that season with 19 home runs and 71 RBI and he was playing first base like Keith Hernandez and John Olerud.
During the 2011 season, he got off to a good start but had his season ended very early on due to an ankle injury. He came back and did hit 32 home runs in 2012 but his average dropped to .227 and he began to struggle. Those struggles continued mightily in 2013 and he lost his job to Lucas Duda and finally found himself back in Triple A.
Davis lost his stroke and feel for the game, and surely lost his confidence as well. The Mets basically gifted him to the Pittsburgh Pirates and he bounced around to the Oakland A’s and the New York Yankees.
Davis never regained his stroke, nor came remotely close to reaching the pinnacle he did in his first season with the Mets. His inability to duplicate his offensive achievements had him attempt to re-establish himself as a pitcher. Davis was out of baseball at the age of 29.