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Boston Red Sox and Springfield-based life insurer, MassMutual
Red Sox reach $170 million jersey-patch deal, Mets also interested
Red Sox' James Paxton set to make first MLB start in over two years
Cardinals beat Red Sox 4-3 as Kenley Jansen blows 9th inning lead
Red Sox Announce Jersey Sponsorship, Patch With Mass Mutual
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
jerseys – Blogging the Red Sox
Red Sox to sport MassMutual logo under new partnership - Boston
MLB Notebook: In tough season, Red Sox may have ended pitching
Red Sox to sport MassMutual logo under new partnership - Boston