New York Mets - Wikipedia
Sheffield's 500th homer ties it up for Mets
Marlins hit 3 late HRs, beat Wheeler, Mets 4-2 - The San Diego Union-Tribune
Mets Once in a Lifetime Moment: Gary Sheffield's 500th home run
Pit-Stop Pinnacles: Milestones Reached by Short-Term Mets - Searle Baseball
MLB roundup: Mets fail to win against Rockies despite Pete Alonso's 20th home run of the season
MLB roundup: Braves belt 6 HRs in 21-3 pasting of Mets
Who won the Mike Piazza trade?
The week in METrics (May 3-9) - ESPN - Mets Blog- ESPN
Reactions to Kyle Schwarber's long home run at Citi Field
Mets' Sheff hits historic homer
Mets agree to deal with Sheffield, 1 HR shy of 500 - The San Diego Union-Tribune
Judge hits 20th homer as Yankees hold off Mariners 5-4 – troyrecord
Mets: Done in by walk-off triple play
Livan Hernandez delivers old-school 'W' in Mets 6-1 win over Nationals – New York Daily News