Here are the winners and losers of the baseball offseason - The Boston Globe
Red Sox reportedly sign jersey patch deal with MassMutual
The NFL's US$673m question: Will the league introduce jersey patch sponsors? - SportsPro
SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
John Hancock ending longtime partnership with Boston Red Sox
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Why MassMutual invested in a jersey sponsorship with the Red Sox
Why MassMutual invested in a jersey sponsorship with the Red Sox
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports