NEW YORK - APRIL 13: Former Mets players Tom Seaver and Mike Piazza greet fans before throwing out the first pitch of the San Diego Padres against the New York Mets during opening day at Citi Field on April 13, 2009 in the Flushing neighborhood of the Queens borough of New York City. This is the first regular season MLB game being played at the new venue which replaced Shea stadium as the Mets home field.