SSS, but his SwStr% is at 10.7% so far this year - best of his career (8.2% in 2016)
It's not going to matter how hard he's throwing, or what pitch sequence he's using if he can't get the BB% down. With HBP included, he's at 6.86 BB/9 right now (vs. 5.95 K/9). That isn't sustainable.