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MassMutual is first jersey patch sponsor of the Red Sox
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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jerseys – Blogging the Red Sox
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What MLB teams will have uniform ad patches in 2023?
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Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports
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Yankees won't have jersey patch for Opening Day, but it's coming
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
![MassMutual is first jersey patch sponsor of the Red Sox](https://upload.wikimedia.org/wikipedia/commons/9/9a/Manny_Ramirez_with_Red_Sox_June_2007.jpg)
Logos and uniforms of the Boston Red Sox - Wikipedia
![MassMutual is first jersey patch sponsor of the Red Sox](https://images.radio.com/aiu-media/GettyImages1468624298-c330d85f-6387-4740-a69d-e2566d37ca59.jpg)
What MLB teams will have uniform ad patches in 2023?
![MassMutual is first jersey patch sponsor of the Red Sox](https://media.bizj.us/view/img/11907180/celticsvistaprint*320xx800-1200-247-0.jpg)
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal