Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
L.A. Angels have new MLB jersey patch sponsorship
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
MassMutual, Red Sox announce multiyear partnership
MLB Sponsor Revenue Hits $1.2B as Jersey Patch Boom Awaits –
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal