Jacobson enters his second season with the Ducks and fifth in professional baseball. The pitcher signed with the Ducks in August of 2025 and made seven relief appearances with the team. He posted a 3-0 record with a 4.00 ERA and struck out eight batters in nine innings of work. Long Island won six of the seven games he pitched in, and he collected the win in his debut on August 28 against the York Revolution. The 26-year-old began the 2025 season with High-A Peoria in the St. Louis Cardinals organization. He turned in a 6-5 record with a 3.20 ERA, two saves and 61 strikeouts in 50.2 innings over 31 appearances.

The Pittsburgh native spent the first four seasons of his career (2022-25) in the Cardinals system. He pitched in 112 games, compiling a 14-17 record with a 3.86 ERA, 12 saves and 218 strikeouts to 106 walks over 174.2 innings. He also represented Team Israel and the 2026 World Baseball Classic. Prior to his professional career, the righty played four seasons of collegiate baseball at Queens University of Charlotte (N.C.), earning D2CCA All-Southeast Region Second Team and NCCSIA All-State Second Team honors during his freshman season in 2019. Jacobson was originally selected by the Cardinals in the 10th round of the 2022 amateur draft.