MassMutual is first jersey patch sponsor of the Red Sox

Red Sox to sport MassMutual logo under new partnership - Boston

FIRST LOOK: sponsor patches on 2023 MLB jerseys

Red Sox play ball with a new signature sponsor - BOStoday

It's come to this: our Red Sox as human billboards

Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals

Twins making careful decision about ad patches on players' jerseys

Sox say so long to John Hancock. But hello maybe to MassMutual

MassMutual will be advertising on the Red Sox jersey in 2023

MLB Opening Day: Jersey Patches - Foul Or Fair Game?

MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph

The Future Of Jersey Sponsorships Across US Sports Leagues

Why MassMutual invested in a jersey sponsorship with the Red Sox

MLB Jersey Patch Market Warming Up As Season Approaches

Red Sox Mass Mutual Collaboration – NBC Boston

Phillies may have sponsored uniform patch this season

MORE