Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Boston Red Sox sign BetMGM as first betting sponsor

It's come to this: our Red Sox as human billboards

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

Red Sox play ball with a new signature sponsor - BOStoday

Boston Red Sox land a 10-year partnership with MassMutual

Boston Red Sox Archives - SportsPro

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

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