Red Sox reveal first-ever uniform advertisements; MassMutual
What MLB teams will have uniform ad patches in 2023?
Alex Verdugo is Red Sox lone Gold Glove finalist after stellar year in right field - The Boston Globe
Red Sox Mass Mutual Collaboration – NBC Boston
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Kutter Crawford struggles as Red Sox swept by Astros
MassMutual is first jersey patch sponsor of the Red Sox
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Fenway Park Changes, Improvements for 2023 – NBC Boston
Logos and uniforms of the Boston Red Sox - Wikipedia
Red Sox reach $170 million jersey-patch deal, Mets also interested