MassMutual is first jersey patch sponsor of the Red Sox
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
John Hancock ending long-held Boston Red Sox sponsorship
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Why MassMutual invested in a jersey sponsorship with the Red Sox
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
Posts - Baseball
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
