The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Sostre is an upside pitching prospect in the state. Sostre has a projectable frame at 6-foot-3, 175 pounds with long levers. Sostre works with a low effort delivery with a three-quarter arm slot. His fastball was up to 86 mph with heavy arm side run and boring action into right handed hitters. His curveball flashed hard late break with 10/4 shape and finish to the pitch. His slider works in the zone a tick harder than the curveball with similar shape; both breaking balls have potential to be consistent out pitches for Sostre. It was an intriguing look and a quality performance from the right handed hurler.
3/18/23
Positional Profile: RHP/OF Body: 6-3, 175-pounds. Delivery: Athletic, low effort; works closed down mound. Balanced to target, lands closed, athletic finish. Arm Action: RH. Long, loose arm; 3/4 slot. Easy effort. FB: T86, 84-86 mph. Heavy with arm-side action. T2142, 2043 average rpm. CB: 69-70 mph. Raw feel but shows upside; flashed tight, short break off a 10/4 plane. T2189, 2077 average rpm. SL: 70-72 mph. Similar to the curveball; slightly more firm. Short action. T2230, 2160 average rpm.
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Sostre is an upside pitching prospect in the state. Sostre has a projectable frame at 6-foot-3, 175 pounds with long levers. Sostre works with a low effort delivery with a three-quarter arm slot. His fastball was up to 86 mph with heavy arm side run and boring action into right handed hitters. His curveball flashed hard late break with 10/4 shape and finish to the pitch. His slider works in the zone a tick harder than the curveball with similar shape; both breaking balls have potential to be consistent out pitches for Sostre. It was an intriguing look and a quality performance from the right handed hurler.
Positional Profile: RHP/OF
Body: 6-3, 175-pounds.
Delivery: Athletic, low effort; works closed down mound. Balanced to target, lands closed, athletic finish.
Arm Action: RH. Long, loose arm; 3/4 slot. Easy effort.
FB: T86, 84-86 mph. Heavy with arm-side action. T2142, 2043 average rpm.
CB: 69-70 mph. Raw feel but shows upside; flashed tight, short break off a 10/4 plane. T2189, 2077 average rpm.
SL: 70-72 mph. Similar to the curveball; slightly more firm. Short action. T2230, 2160 average rpm.