Trey Riley

John A. Logan (Ill.) JC has become a pipeline for power pitchers. Matthias Dietz was a second-round pick of the Orioles in 2016 and Zach Haake impressed scouts last year before moving on to Kentucky, where he's expected to be Day Two pick this season. But Riley has the best combination of stuff and athleticism of the trio. Riley made one rough appearance with Oklahoma State in 2017 before transferring to Logan. He shows signs of being a future middle-of-the-rotation starter as he mixes a 93-95 mph plus fastball that touches 97 mph. His 85-89 mph slider is consistently above-average and is a plus-plus pitch at its best. Riley''s changeup is well below-average and he doesn't need it much right now, but he's toyed with a curveball that quickly developed into a pitch that will flash average potential. Riley's athleticism, easy velocity and improving delivery make him on of the better pop-up prospects in the Midwest.