Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox reach $170 million jersey-patch deal, Mets also interested
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
What's New in MLB Logos and Uniforms for 2023 – SportsLogos.Net News
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Logos and uniforms of the Boston Red Sox - Wikipedia
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
MLB 2023 commercial guide: Every franchise, every sponsor, all the major TV deals - SportsPro
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
The Uni Watch 2023 MLB Season Preview - by Paul Lukas