Bruce's Journal: Mets Retire Mike Piazza's #31 in a Citifield Ceremony
Mets to Retire Doc Gooden and Darryl Strawberry's Numbers
Retired Number Stickers for Sale
NY Mets Retire Mike Piazza's Number 31 - Mets History
The lucky number is so awesome that the Mets decided to retire it.
7) NEW YORK METS RETIRED JERSEY NUMBER PATCH SET INC SEAVER MAYS HERNANDEZ ++
File:New York Mets retired numbers at Citi Field, Oct 08 2022.jpg - Wikipedia
Should the Mets Retire Gary Carter's Number? - TV - Vulture
Mets retire Willie Mays' number in surprise ceremony
SEE IT: Mets take a shot at Monument Park in Twitter fight with Yankees – New York Daily News
Mets will retire Mike Piazza's number on July 30 - Amazin' Avenue
File:Mets retired 24.svg - Wikipedia
Mets Announce Willie Mays Number Retirement During Old Timers' Day - Metsmerized Online