It wasn't one start. It was his third start of that type of quality:
4/16/26 - @TOR - 6.2 IP, 4 H, 1 R, 1 ER, 1 BB, 6 K
6/10/26 - @ATH (at Las Vegas) - 6 IP, 4 H, 1 R, 1 ER, 1 BB, 3 K
6/23/26 - @CIN - 6 IP, 1 H, 0 R, 0 ER, 0 BB, 10 K
All three on the road. All three either tough offenses or tough ballparks to pitch in.
The talent is there. It just needs to be unlocked consistently. At not quite 25 years old yet, I think he's far from a fully-developed pitcher.