MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
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. /
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MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Houck leads Red Sox past AL East champion Orioles 6-1 in finale - WTOP News
MassMutual is first jersey patch sponsor of the Red Sox
jerseys – Blogging the Red Sox
MassMutual, Red Sox announce multiyear partnership
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
Boston Red Sox sign BetMGM as first betting sponsor