Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Take us out to the ballgame - BOStoday
MassMutual is first jersey patch sponsor of the Red Sox
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Final Red Sox homestand of the year is one of lasts – Boston 25 News
Red Sox, MassMutual Partner Up
Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports
Houck leads Red Sox past AL East champion Orioles 6-1 in finale - WTOP News
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options