Red Sox play ball with a new signature sponsor - BOStoday
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Boston Red Sox top prospect Marcelo Mayer belts first professional homer, drives in four runs in FCL game
NYSportsJournalism.com - Home
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Red Sox play ball with a new signature sponsor - BOStoday
Marcus Smart loving Trevor Story, Franchy Cordero wearing his 36 as Red Sox wear Celtics jerseys on plane to Chicago
NYSportsJournalism.com - Home
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Houston Astros reveal Oxy as first ever jersey partner - SportsPro