9.11.16: Jack is 6-2 with an athletic frame and ran a 7.33 60 with a 4.32 home to first time. Hits from the left side with an upright athletic stance. Short leg kick stride and smooth load back. Good lower half and good balance throughout swing. Quick hands, short to the ball, exit velocity of 77. At shortstop, average footwork and soft hands. Clean exchange, working through the ball. Low three-quarters arm slot with a short, loose arm action, velocity of 79. On the mound, throws from a drop and drive delivery with a long, loose arm action and a low three-quarters arm slot. Shoulders are uphill and closed as he strides to a square landing with an athletic finish. Fastball sat 80-81 with late sink and run to it. Slider was 64-66 with late 10/4 action. Change-up had good armspeed and was 73-74 with sink.
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