Mets to retire Mike Piazza's No. 31 jersey this season – New York Daily News
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
20 years after 9-11, Mike Piazza is still moved after dramatic
Mets to retire Mike Piazza's No. 31 jersey this season – New York
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Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Mike Piazza: Mets Hall of Famer by the numbers – New York Daily News
It's great that the Mets are retiring Mike Piazza's number, but
The Mets retire Mike Piazza's Number 31 in 2016
Mets to retire Mike Piazza's No. 31 jersey - Sports Illustrated
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The Mets should retire Mike Piazza's #31. Why haven't they
