Boston Red Sox make history with record $170 million ad-patch deal
Red Sox to sport MassMutual logo under new partnership - Boston
Red Sox Mass Mutual Collaboration – NBC Boston
Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo
A rough patch: the Astros' new sponsorship deal with Oxy is doubly
MassMutual will be advertising on the Red Sox jersey in 2023
Take us out to the ballgame - BOStoday
MassMutual, Red Sox announce multiyear partnership
Red Sox Reportedly Strike $170M Jersey Patch Deal
Kenley Jansen hopes that the Red Sox buy at trade deadline
Tom Caron: Time is running out for Red Sox to make playoff push