They wore it on April 18th of this year.
Nike MLB Boston Red Sox City Connect (J.D. Martinez) Men's Replica Baseball Jersey - Gold/Light Blue XL
Red Sox honor Boston Marathon with new Nike uniforms collab
Boston Red Sox - Mens City Connect Game Stitched Jersey - *Pick
RED SOX CITY CONNECT SERIES
Cleveland Guardians uniforms add new Marathon patch
Cleveland Guardians uniforms add new Marathon patch
Iconic Massachusetts Brands Unite: MassMutual Named Signature
RED SOX CITY CONNECT SERIES
Check Out New Photos Of Red Sox Partnership Jersey Patch
MLB's City Connection uniforms put Red Sox in yellow and blue
Jonny Gomes Signed Red Sox Boston Strong Jersey (JSA COA) Bean
Boston Strong Patch
Why do the Red Sox wear yellow jerseys?