MassMutual will be advertising on the Red Sox jersey in 2023
MassMutual lands deal for patch on Red Sox uniforms; Springfield
MassMutual, Red Sox announce multiyear partnership
Boston Red Sox make history with record $170 million ad-patch deal
MassMutual becomes 'signature sponsor' for Boston Red Sox
Red Sox reveal first-ever uniform advertisements; MassMutual
MLB Jersey Patch Market Warming Up As Season Approaches
MassMutual, Red Sox announce multiyear partnership
MLB's new uniform rules won't prevent Red Sox from keeping Boston
Red Sox debut new uniform advertisements as part of 10-year deal
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year
Devers, Turner lead Boston's HR derby; Red Sox top Cubs 8-3 for
Devers breaks tie in 6-run 8th, Red Sox beat Reds 8-2 to avoid