MassMutual is first jersey patch sponsor of the Red Sox

Ken Madsen on LinkedIn: Great spending the day at the “New Balance” headquarters in Boston…

Red Sox play ball with a new signature sponsor - BOStoday

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Kiké Hernandez isn't a fan of the Red Sox's new ad patch

3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images

Red Sox will have MassMutual logo on their jerseys beginning in 2023

MassMutual, Red Sox announce multiyear partnership

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

MLB Opening Day: Jersey Patches - Foul Or Fair Game?

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald

Why MassMutual invested in a jersey sponsorship with the Red Sox

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