Yankees won't have jersey patch for Opening Day, but it's coming
Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Astros agree to deal to add Oxy jersey patch for 2023 season
jerseys – Blogging the Red Sox
Red Sox reach $170 million jersey-patch deal, Mets also interested
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
It's come to this: our Red Sox as human billboards
John Hancock ending long-held Boston Red Sox sponsorship
MassMutual logo patches