MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
MLB Team Sponsorship Revenue Grew To $1.5 Billion In 2023, Report Shows
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Boston Red Sox sign BetMGM as first betting sponsor
MassMutual, Red Sox announce multiyear partnership
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
MassMutual, Red Sox announce multiyear partnership
A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox will not be affected by MLB's new uniform rules in 2023
Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal