3/1/17
O'Neill has a strong, athletic frame with broad shoulders at 5-foot-11 180-pounds. One of the top arms from the event. Fastball topped at 89, sat mostly 87-89. Showcased a breaking ball at 72-74 with 11/5 shape and a changeup with some armside fade at 78-80. Slingshot type arm action, short and quick. Explosive and athletic going down the mound. Closes self off in leg lift and lands slightly closed. Exceptional strength in lower half allows him to clear hips despite being closed. High riser in 2019 rankings.