The MassMutual jersey patch is displayed during a Boston Red Sox News Photo - Getty Images
MLB 2023 commercial guide: Every franchise, every sponsor, all the major TV deals - SportsPro
jerseys – Blogging the Red Sox
The MassMutual jersey patch is displayed during a Boston Red Sox Photo d'actualité - Getty Images
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The MassMutual jersey patch is displayed during a Boston Red Sox Photo d'actualité - Getty Images
Marlins complete MLB jersey patch deal with ADT
The MassMutual jersey patch is displayed during a Boston Red Sox Photo d'actualité - Getty Images
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
St. Louis Cardinals land Stifel as first jersey patch sponsor
What MLB teams will have uniform ad patches in 2023?