Chris Cotillo on X: MassMutual is the new “signature partner” of
jerseys – Blogging the Red Sox
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
Legendary MLB teams break marketing ground with insurance sponsors
Baseball looks a little uglier but business is booming - The Hustle
MassMutual, Red Sox announce multiyear partnership
UniWatch] Gross: Red Sox Reveal Uniform Advertisement for 2023 : r
Now in centerfield at Fenway Park!
Official Charity of the Boston Red Sox
Red Sox drop series finale to Dodgers
Marlins, ADT announce jersey patch sponsorship - Fish Stripes
Red Sox debut new uniform advertisements as part of 10-year deal