Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Boston Red Sox sign BetMGM as first betting sponsor

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

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

For the first time, historic Boston Red Sox jersey will have a sponsor patch

Red Sox reach $170 million jersey-patch deal, Mets also interested

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

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

Gn 011516 by The Island 360 - Issuu

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

Red Sox appear unlikely to enter the bidding for top free agent pitchers - The Boston Globe

NYSportsJournalism.com - Media Kit

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