Jason Raymond Bay, (born September 20, 1978) is a outfielder for the Mets. He signed with the Mets on December 29, 2010 to 4 years and $66 million. On April 27, 2010 Bay hit his first homerun as a Met in the first game of a double-header against the Los Angeles Dodgers.
On July 30 ,2010, Jesus Feliciano was re-called up to replace him who was placed on the DL.
He suffered a concussion in a game against the Los Angeles Dodgers where he ran into a fenced wall and his head jerked back. He returned back to the Mets on April 21,2011.