You are purchasing a.. Gunnar Henderson Autographed OMLB Baseball Inscribed 23 AL ROY Beckett Certificate of Authenticity. Gunnar Henderson is the shortstop for the Baltimore Orioles. He made his MLB debut in 2022 and won the American League Rookie of the Year Award and a Silver Slugger Award in 2023. In 2024, he was named the 2024 All-Star Games starting third-baseman for the American League in Arlington, Texas as well as participating in the Home Run Derby the day before. Now is your chance to received a signed, authentic certified baseball by one of the best power hitters in the game.