King allowed two runs on three hits and struck out three over 3.2 innings of relief in Friday' 9-4 win over the Royals.
King worked three perfect innings and retired 11 straight before tiring while setting season highs for both number of pitches and innings. The Rangers are stretching out the left-hander to potentially fill a starting role, and he should get opportunities to increase his pitch count when working in tandem with starter Dane Dunning. The Rangers want to limit Dunning, who has thrown just 34 innings since 2018, so it's an ideal situation in which to build up King's stamina.