Herget had a three-year stint with the Angels, where he made a significant impact by appearing in 92 games and posting a 3.28 ERA with a 1.092 WHIP. His best season came in 2022, when he recorded a 2.48 ERA and 2.3 WAR over 49 appearances. However, he struggled at the start of 2021, which led to his eventual designation for assignment in April 2024.