Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Official Charity of the Boston Red Sox Red Sox Foundation - Red Sox Foundation
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual, Red Sox announce multiyear partnership
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
Chris Sale returns from injury, leads Red Sox over Tigers
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Brattleboro man honored at Red Sox EMS Night, Community News
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Red Sox Reportedly Strike $170M Jersey Patch Deal
Kiké Hernandez isn't a fan of the Red Sox's new ad patch