MassMutual becomes 'signature sponsor' for Boston Red Sox

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

The Boston Red Sox Get A 'Signature Sponsor' In Partnership With MassMutual

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros

The John Hancock sign in CF at Fenway Park has been removed, after the 30 year partnership expired . : r/baseball