The lucky number is so awesome that the Mets decided to retire it
Bruce's Journal: Mets Retire Mike Piazza's #31 in a Citifield Ceremony
The New York Mets retired numbers are seen at Citi Field during a
NY METS MIKE PIAZZA RETIRED NUMBER SIGN #31 HALL OF FAME HOF MLB
Who Will Be Next Met To Have His Number Retired? - Baseball Egg
The Mets' retired numbers on the left field wall at Citi F…
New York Mets Retired Numbers by Namath1968 on DeviantArt
Why the Mets need to retire numbers now – Mets360
ALL OF THE RETIRED NUMBERS IN THE MLB!