Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

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

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

Boston Red Sox Archives - SportsPro

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

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

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

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

MassMutual becomes 'signature sponsor' for Boston Red Sox

Proud Partner of the Boston Red Sox

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

MassMutual is first jersey patch sponsor of the Red Sox

MassMutual, Red Sox announce multiyear partnership

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