Paul Lukas on X: Rare shots of Mets wearing blue helmets with black jerseys, 8/18/98 vs. Rockies, 2nd game of doubleheader. I'm not 100% sure, but I *think* this is the only
A Detailed Look at the Mets' Black Throwbacks
Mets bring back alternate black jerseys for 2021
Leak appears to show Pirates' new City Connect alternate uniforms
Mets Morning News: Back to black? - Amazin' Avenue
Walker shuts down Yanks, Mets take series opener 8-3
Some Thoughts on the Mets Reviving the Black Uniforms
Taijuan Walker second NY Mets player to wear No. 99 after Turk Wendell
New York Mets to wear black jerseys for first time since 2012 season - ESPN
Mets' Drew Smith suspended 10 games
Mets to wear black for Friday's playoff opener at Citi Field: report
Mets to Retire Jerry Koosman's Jersey - The New York Times