[7][8] He was assigned to the Hickory Crawdads of the Single-A South Atlantic League to open the 2019 season, and went 1–2 with a 3.42 ERA over 26+1⁄3 innings.

[12] On September 4, 2020, King’s contract was selected to the active roster and made his major league debut that day against the Seattle Mariners.

[14] King was placed on the IL in July, and underwent surgery for Thoracic outlet syndrome in September 2021.

[15] King split the 2022 season between Texas and the Round Rock Express of the Triple-A Pacific Coast League.

[17] On July 30, 2023, the Rangers traded King, Tekoah Roby, and Thomas Saggese to the St. Louis Cardinals in exchange for Jordan Montgomery and Chris Stratton.