Cleveland Guardians to wear Marathon jersey patch
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
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
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
Red Sox reach $170 million jersey-patch deal, Mets also interested
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Detroit Tigers to add Meijer patch on jerseys
Logos and uniforms of the Boston Red Sox - Wikipedia