MassMutual will be the first sponsor to have its logo on Red Sox
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
MassMutual, Red Sox announce multiyear partnership
Chris Creamer SportsLogos.Net on X: The Diamondbacks join the San Diego Padres and Boston Red Sox as the first three MLB teams to announce in-game jersey ads for 2023 /
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Red Sox, MassMutual Partner Up
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
Take us out to the ballgame - BOStoday
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
What MLB teams will have uniform ad patches in 2023?
FIRST LOOK: sponsor patches on 2023 MLB jerseys
Red Sox pitcher Chris Sale scheduled to make rehab stop in Syracuse
Final Red Sox homestand of the year is one of lasts – Boston 25 News
Kiké Hernandez isn't a fan of the Red Sox's new ad patch
MassMutual, Red Sox announce multiyear partnership