This Day In Dodgers History: Mike Piazza Hits 3rd Grand Slam In Month Of April During 1998 Season
Iowa Native Lands Grand Slam Gig as World Series Umpire
Mike Piazza Archives - Dodger Blue
May 18, 1998: Mike Piazza triples, but is more impressed by another Mark McGwire homer – Society for American Baseball Research
Playin' the Dodger Blues - Sports Illustrated Vault
garvey cey russell lopes: mike piazza final tributes!
Opinion of Kingman's Performance: Mike Piazza - It Sure Would Be Nice if He Would Agree to Participate In the 50 Year Festivities
Remembering Mets History (1999) Mike Piazza Homers in Seven of Eight Games / Drives in Runs in Ten Straight
A Slice of Piazza: A Trade Brought the Mets One of the Biggest Superstars in Franchise History – Society for American Baseball Research
Mike Piazza Rookie Cards: Collector's Guide…with Values! – Wax Pack Gods