MassMutual is first jersey patch sponsor of the Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options
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Yankees won't have jersey patch for Opening Day, but it's coming
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals - TicketManager
MLB's Rangers hire CSM to find first jersey patch sponsor - Sportcal
