Joey Cora #56 – Game Used Jackie Robinson Day Jersey – Mets vs. This game used size 46 road grey jersey was worn by Mets coach Joey Cora as the Mets played the Athletics on April 15, 2023, at the Oakland Coliseum. The New York Mets, along with the rest of Major League Baseball, wore commemorative jerseys and caps to honor Jackie Robinson. MLB Authenticated with the Hologram. Any Questions, Just Ask.