These old Mets alternate jerseys are returning

The Mets on Tumblr — The History of Mets Uniforms

Ranking MLB's all-time greatest uniforms - ESPN

Third jersey - Wikipedia

Brady Kirtner spurns Mets to return to Virginia Tech

Mets owner Steve Cohen already planning change to uniform ad patch: 'They're Phillies colors

The Mets on Tumblr — The History of Mets Uniforms

Ramsey] According to Wayne Randazzo, the Mets are no longer using their blue road jersey. Per an MLB rule, they can only have 4 and replaced it with the black jersey

After domestic violence suspension, former Toronto Blue Jay Jose Reyes rejoins New York Mets

NY Mets looking for first win in the black jerseys this year

A history of Mets road uniforms - Amazin' Avenue

Back in Black: Mets Announce Black Uniforms Returning in 2021 – SportsLogos.Net News