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Texas Christian
Martin County West (HS) • MN
6-5 • 205LBS • L/L


2018 National

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2016 State

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2019 DRAFT Mariners ROUND 59th Overall
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Thin framed LHP out of high school with upper 70's - low 80's velocity. Has made significant jumps in strength and velocity while in junior college. Committed to TCU out of North Iowa Area CC.

3/2/19: A junior college transfer from North Iowa Area College, Williamson is a 6-foot-6, 210-pound, loose lefty with easy low-90s fastball velocity and three secondary offerings. The best of the three is an average-to-above average 86-87 mph slider. Also showed a near average 81 mph curveball with ¾ rotation and average depth, as well as a hard changeup at 86 mph. The change was mostly straight and he will really need to keep this pitch down in the zone until he develops more life and/or greater disparity in velocity from his fastball. Mechanics-wise, he lands soft and on-line with some heel grind after ball release and the lower half of his delivery could be cleaned up. His motion is up, then forward, then down, which leads to rushing. He doesn't allow enough time to sink into his back leg to generate power from his lower half. Any adjustment that causes him to rush less should also benefit the depth of his breaking balls. During his Saturday start, he lost his delivery in the third due to rushing and walked in the only run of the game. He regained his delivery in the fourth inning and maintained it for the remainder of his five-inning, 84-pitch start. Williamson also showed good poise in a big game environment with what was just his third D-I start. He's a bright spot in what is otherwise a thin group of draft-eligible college pitchers who project to start at the next level. (Seifert)

2/17/19: Athletic, long torso and arms. Room for more weight. Just his fifth time off the mound since May '18 (hip surgery). Saw up to 96 in junior college, today fastball sat 89-92, topping at 93 mph. Significant improvements on control. Low effort delivery. Middle/third base side of rubber. Lands slight across body. Creates good angle with FB and slider plays off of same window. Spins two breaking balls very well, throws both for strikes. Slider at 80-82 mph. Curveball at 72-75 mph. SL below the zone for strikeouts. Change is 4th pitch. Usable with fading action at 84-86 mph. Traditional windup with good rhythm. Very high ceiling. Needs more mound time but should go inside Top 5 rounds. (Arnold)

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