MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo
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jerseys – Blogging the Red Sox
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
Official Charity of the Boston Red Sox Red Sox Foundation - Red Sox Foundation
MLB Jerseys' to Feature Corporate Sponsor Logos for First Time Ever In 2023
Red Sox will have MassMutual logo on their jerseys beginning in 2023
Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports
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MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
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MassMutual, Red Sox announce multiyear partnership
Logos and uniforms of the Boston Red Sox - Wikipedia
