MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
MLB Jersey Patch Market Warming Up As Season Approaches
Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
I'm glad the Phillies didn't put sponsors on their jerseys. It looks so cheap. : r/phillies
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Boston Red Sox sign BetMGM as first betting sponsor
Boston Red Sox and Springfield-based life insurer, MassMutual partner up
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Red Sox play ball with a new signature sponsor - BOStoday
Detroit Tigers to add Meijer patch on jerseys