What MLB teams will have uniform ad patches in 2023?
MassMutual is first jersey patch sponsor of the Red Sox
Bruins reveal cybersecurity firm Rapid7 will be first sponsor of patch on game and practice jerseys - The Boston Globe
MLB 2021: What's New in Logos and Uniforms – SportsLogos.Net News
MLB Uniforms To Add Advertising Beginning In The 2023 Season
First-ever MLB jersey patch sponsor deal snaps status quo - La Prensa Latina Media
MLB moving ahead with plans for advertising on uniforms next season - ESPN
Marlins, ADT announce jersey patch sponsorship - Fish Stripes
Here's a look at the Mariners' new City Connect uniforms and the story behind them