NEW YORK, NY - JUNE 15: Jason Bay #44 of the New York Mets is walked to the dugout after being injured on a play in left field during the game against the Cincinnati Reds at Citi Field on June 15, 2012 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Mike Stobe/Getty Images)
One of the most signature signs of New York Mets fandom is being excited about a player coming to the Big Apple, only to be severely let down by their play or a devastating injury that limits their playing time.