I don't know how his slider looks this year as I haven't really been able to catch many highlights, but I imagine he doesn't throw it nearly as often, nor does it have nearly the same bite it used to. But I do recall scouts and analysts last year during his struggles saying that he just looked like he was scared to try and throw it again, maybe in fear of damaging his arm again, and this lead to high walk rates and high ER totals. Guess all he needed was to gain back his confidence and trust his arm to hold up. It's working