MassMutual is first jersey patch sponsor of the Red Sox

Logos and uniforms of the Boston Red Sox - Wikipedia

Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox

Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox

A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Ken Madsen on LinkedIn: Great spending the day at the “New Balance” headquarters in Boston…

It's come to this: our Red Sox as human billboards

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors

St. Louis Cardinals land Stifel as first jersey patch sponsor

Red Sox reportedly sign jersey patch deal with MassMutual

Kiké Hernandez isn't a fan of the Red Sox's new ad patch

jerseys – Blogging the Red Sox