Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Proud Partner of the Boston Red Sox
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
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For the first time, historic Boston Red Sox jersey will have a sponsor patch
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Boston Red Sox top prospect Marcelo Mayer belts first professional homer, drives in four runs in FCL game
Gn 011516 by The Island 360 - Issuu
Houston Astros reveal Oxy as first ever jersey partner - SportsPro
