MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox reach $170 million jersey-patch deal, Mets also interested
jerseys – Blogging the Red Sox
Take us out to the ballgame - BOStoday
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
Red Sox pitcher Chris Sale scheduled to make rehab stop in Syracuse
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –
Boston Red Sox sign BetMGM as first betting sponsor
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox