Red Sox will have MassMutual logo on their jerseys beginning in
The Boston Red Sox announced a major off-the-field partnership with MassMutual
Red Sox - MassMutual
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
MassMutual logo patches
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
The MassMutual jersey patch is displayed during a Boston Red Sox News Photo - Getty Images
Red Sox, MassMutual Partner Up