Red Sox MassMutual (navy version). The Red Sox have two versions of this patch. The other version is a navy patch with white lettering. The Red Sox
Twins making careful decision about ad patches on players' jerseys
Red Sox reveal 2023 uniform change
Red Sox reveal first-ever uniform advertisements; MassMutual
Red Sox will not be affected by MLB's new uniform rules in 2023
Red Sox reportedly sign jersey patch deal with MassMutual
MLB uniforms will have advertising beginning in the 2023 season
Milwaukee Brewers Announce Teams 1st Jersey Patch And How They
Red Sox uniforms will be unaffected by new MLB rules in 2023
MassMutual will be the first sponsor to have its logo on Red Sox