Karns had his worst start of the season against the Rangers, lasting only 4 2/3 innings. He allowed only five hits, but four were home runs. Before that step back, he had surrendered only two earned runs in his previous 11 2/3 innings.
The ace has received 0 runs of support in his last three starts and 2 total this season. He has lost five consecutive starts dating back to 2016, marking the longest losing streak of his career. He has a 5.52 ERA in the 29 1/3 innings in that streak.