MassMutual will be the first sponsor to have its logo on Red Sox

MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph

Red Sox Winter Weekend

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News

Red Sox All-Star Break Awards. Plus, Jaylen's Place Among No. 2 Options. - The Ringer

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

MLB Team Sponsorship Revenue Grew To $1.5 Billion In 2023, Report Shows

Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro

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. /

John Hancock ending long-held Boston Red Sox sponsorship

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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe