Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Baseball looks a little uglier but business is booming - The Hustle
Key players nearing return for Red Sox
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
Gross: Red Sox Reveal Uni Advertisement for 2023
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
Red Sox reveal 2023 uniform change
Logos and uniforms of the Boston Red Sox - Wikipedia
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News