Mike Piazza to have his Number Retired
BenFred's 5: Hey STL, Mike Piazza needs dining help
BASEBALL: Phoenixville retires Piazza's No. 13 – The Mercury
Mets to Retire Mike Piazza's Number - WSJ
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Mets to retire Mike Piazza's No. 31 jersey - Sports Illustrated
Fans Show Love for Mike Piazza - Mets History
News and Notes: Mike Piazza Retires - MLB Daily Dish
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Mike Piazza to Have No. 31 Retired by Mets: Date, Comments and Reaction, News, Scores, Highlights, Stats, and Rumors
It's great that the Mets are retiring Mike Piazza's number, but Gary Carter and Keith Hernandez deserve same honor – New York Daily News