Red Sox will have MassMutual logo on their jerseys beginning in
St Louis Cardinals Now Wearing Stifel Logo on Jersey Sleeves
Yankees Announce Starr Insurance Jersey Patch, Partnership in
Red Sox reportedly sign jersey patch deal with MassMutual
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Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year
jerseys – Blogging the Red Sox
Red Sox debut new uniform advertisements as part of 10-year deal
Boston Red Sox Sign Long-Term Jersey Sponsor - Ministry of Sport
MassMutual, Red Sox announce multiyear partnership
Red Sox reach $170 million jersey-patch deal, Mets also interested
Boston Red Sox and Springfield-based life insurer, MassMutual
David Ortiz planning impactful Rafael Devers move ahead of WBC