The Mets and Mike Piazza are feuding over his 9/11 jersey - NBC

Mets to retire Mike Piazza's No. 31 jersey - Sports Illustrated

Yankees-Mets 9/11 ceremony to feature Joe Torre, Bobby Valentine, Mike Piazza; Giants, Jets to honor 20th anniversary of terrorist attacks

Chronicling Bobby Valentine's Tumble from NL Champion to Sacred Heart University, News, Scores, Highlights, Stats, and Rumors

Piazza jersey from first game after 9/11 continues to inspire

Mike Piazza's father upset his son's 9/11 jersey won't go to the Hall of Fame

Post-9/11 Piazza Mets Jersey on Display at 9/11 Memorial Museum

Strike Three: Baseball Is Dead - HowTheyPlay

Spencer stuns Yanks

Mike Piazza recalls first Mets game in NYC after 9/11

20 years after 9-11, Mike Piazza is still moved after dramatic Home Run

Tom Seaver's broadcasting days, remembered by his producer