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MassMutual is first jersey patch sponsor of the Red Sox
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Red Sox reportedly sign jersey patch deal with MassMutual
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Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
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St. Louis Cardinals land Stifel as first jersey patch sponsor
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MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
![MassMutual is first jersey patch sponsor of the Red Sox](https://i.ytimg.com/vi/Dy59jQ-lZ4s/maxresdefault.jpg)
FIRST LOOK: sponsor patches on 2023 MLB jerseys
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Astros agree to deal to add Oxy jersey patch for 2023 season
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Red Sox reportedly sign jersey patch deal with MassMutual
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
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L.A. Angels have new MLB jersey patch sponsorship
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Twins making careful decision about ad patches on players' jerseys