Keith Law said he lost a bit of velo last year. Maybe it is back and then some
"Robberse, the best Dutch prospect currently in the minors, lost some weight going into 2022 and it cost him over a mile an hour on his fastball, something he has to reverse to be more than a fifth starter. He’s a command guy with a great delivery and good spin on two distinct breaking balls. If he threw 96 mph, he’d be a top-10 pitching prospect in the sport. He looks like he could put some weight back on and get himself to solid-average velo, at which point he’s probably a mid-rotation starter given his feel for pitching and present command. I’m betting he gets there."