The Padres recalled Jacob from Triple-A El Paso on Tuesday.
In a corresponding move Tuesday, the Padres placed Nick Pivetta (elbow) on the 15-day injured list, retroactive to April 13. Jakob began the 2026 season with Triple-A El Paso, where he has notched a 0.00 ERA and 0.99 WHIP through 7.1 innings across five appearances.