MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Red Sox reach $170 million jersey-patch deal, Mets also interested
MassMutual, Red Sox announce multiyear partnership
Jose Altuve hits 2-run HR to complete 1st cycle of his career, Astros crush Red Sox 13-5
Red Sox Mass Mutual Collaboration – NBC Boston
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
NHL Partner MassMutual to Debut 'On and Off the Ice' Spot During Winter Classic
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox and Springfield-based life insurer, MassMutual partner up