LATEST PG SHOWCASE REPORT
2012 National Underclass Showcase-Main Event
Jonathan Koski is a 2014 MIF/RHP with a 6-1 162 lb. frame from Cheshire, CT. Athletic, projectable frame, lean and wiry. Long infield arm action, works through the ball well, good footwork, arm strength plays well, solid infield actions. Slightly open left-handed stance, long stride, needs to keep his weight back, has bat speed, good hip rotation, line drive swing, bat projects well. Also pitches, repeats delivery well, fluid long arm action. 78-81 mph fastball, flashes depth on 70 mph 11-5 curveball. Confident approach, has some upside on the mound.