Gage Lee Jump (born April 12, 2003) is an American professional baseball pitcher for the Athletics of Major League Baseball (MLB). He made his MLB debut in 2026.
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Early life and amateur career
Jump attended JSerra Catholic High School in San Juan Capistrano, California, where he played baseball. As a senior in 2021, he went 9-0 with a 0.63 ERA. He was selected by the San Diego Padres in the 18th round of the 2021 Major League Baseball draft, but did not sign and instead enrolled at the University of California, Los Angeles, (UCLA) to play college baseball for the UCLA Bruins.
Jump made seven appearances as a freshman for UCLA in 2022, going 1-1 with a 3.86 ERA. Jump underwent Tommy John surgery and missed all of the 2023 season. After the season, he transferred to Louisiana State University (LSU) to play for the LSU Tigers. Jump pitched in 17 games (making 15 starts) for LSU in 2024, going 6-2 with a 3.47 ERA and 101 strikeouts over 83 innings.
Professional career
Jump was selected by the Oakland Athletics with the 73rd overall pick in the 2024 Major League Baseball draft. He signed with the team for $2 million.
Jump made his professional debut in 2025 with the Lansing Lugnuts and was promoted to the Midland RockHounds in mid-May. He was selected to represent the Athletics (alongside Tommy White) at the 2025 All-Star Futures Game at Truist Park. Over 26 games (24 starts) between the two teams, Jump went 9-7 with a 3.28 ERA and 131 strikeouts over 112+2⁄3 innings.
Jump pitched 9+2⁄3 innings during 2026 spring training and gave up two runs with seven strikeouts. He was assigned to the Triple-A Las Vegas Aviators to open the season. On May 26, 2026, the Athletics promoted Jump to the major leagues for first time. That same day, he made his MLB debut against the Seattle Mariners, taking the loss after allowing four runs across five innings pitched. He recorded five strikeouts and struck out the first batter he saw in the major leagues, J.P. Crawford, on three pitches. On June 2, Jump recorded his first MLB win after pitching seven innings in which he allowed one run on three hits and one walk alongside five strikeouts in a 2-1 victory over the Chicago Cubs.