MassMutual is first jersey patch sponsor of the Red Sox

Boston Red Sox and Springfield-based life insurer, MassMutual partner up

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

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

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

Phillies may have sponsored uniform patch this season

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

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

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

Red Sox reportedly sign jersey patch deal with MassMutual

Why MassMutual invested in a jersey sponsorship with the Red Sox

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

Red Sox, MassMutual near a $17M jersey patch deal - 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

Check Out New Photos Of Red Sox Partnership Jersey Patch

MLB's Detroit Tigers expand Meijer sponsorship with jersey patch deal