MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
Boston Red Sox and Springfield-based life insurer, MassMutual partner up
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
What MLB teams will have uniform ad patches in 2023?
MassMutual is first jersey patch sponsor of the Red Sox
Detroit Tigers to add Meijer patch on jerseys
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
jerseys – Blogging the Red Sox
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023