Mike Piazza will attend Yankees vs. Mets game at Citi Field on 20th anniversary of 9/11 | CBS Sports Headlines Mike Piazza will attend Yankees vs. Mets game at Citi Field on 20th anniversary of 9/11 Piazza was a big part of the 2001 Mets team that hosted the first … Continue reading Mike Piazza will attend Yankees vs. Mets game at Citi Field on 20th anniversary of 9/11