The Yankees and Mets are wearing first responders' hats today for the anniversary of 9/11 (via @mets)
Shannon Shark
New York Yankees, NY Mets to play on 20th anniversary of 9/11
MLB finally gives Mets permission to wear NYPD, FDNY hats on anniversary of 9/11
MORE
MLB Odds & Pick for Yankees vs. Mets: The Betting Edge in Saturday's Subway Series (September 11)
Mets Yankees first responder caps September 11
Mets, Yankees will remember Sept. 11 attacks before Saturday game
Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News
As one unified New York': Mets, Yankees pay tribute on 9/11 20th anniversary
New York Yankees, Mets Come Together For 9/11 Pre-Game Ceremony – OutKick
Luisangel Acuña Expected to be Assigned to Double-A Binghamton on Tuesday
Mets, Yankees, MLB to Mark 9/11 20th Anniversary with On-Uniform Tributes – SportsLogos.Net News