MassMutual is first jersey patch sponsor of the Red Sox

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

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

jerseys – Blogging the Red Sox

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

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

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

It's come to this: our Red Sox as human billboards

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

MassMutual, Red Sox announce multiyear partnership

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