Mets Retire Mike Piazza's Number With Uplifting Ceremony - Metsmerized Online
Piazza Gets Standing Ovation at Number Retirement - Mets History
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Home Run Apple Commemorates No. 31 Retirement - Mets History
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Mets Editorial: How exclusive should number retirement be? - Amazin' Avenue
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Mets to retire Mike Piazza's No. 31 jersey this season – New York Daily News
New York Mets - Wikipedia
With Eyes on Division Title, Mets Cherish Playoff Berth - Metsmerized Online
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
Mets to retire Mike Piazza's No. 31 jersey - Sports Illustrated
Mets Retire Mike Piazza's Number With Uplifting Ceremony - Metsmerized Online
Mets Retire Mike Piazza's Number With Uplifting Ceremony - Metsmerized Online