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.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Jacob Hall: OF, (2027) Manchester High School, CT. 165-pound lean athletic build. Raw projectable during batting practice, the hitter's best exit velocity was 85 mph. (67.2 mph bat speed average). (19.7 mph hand speed average). Begins in a wide athletic stance with a compact load, then uses a quick stride. Bat speed was above average, used an upward swing plane and high good extension on his finish. He found multiple barrels with a lot of loud contact. Aggressive approach. Raw projectable from the outfield, he showed the ability to throw at velocities up to 72 mph; had a twitchy exchange, athletic quick footwork, and soft hands. Laterally, movements were athletic and fielded the ball out front. Consistent accuracy to the bases, used a long loose arm action and a ¾ slot.
Exit Velocity: 85 mph
Arm Velocity: 72 mph
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Jacob Hall: OF, (2027) Manchester High School, CT. 165-pound lean athletic build. Raw projectable during batting practice, the hitter's best exit velocity was 85 mph. (67.2 mph bat speed average). (19.7 mph hand speed average). Begins in a wide athletic stance with a compact load, then uses a quick stride. Bat speed was above average, used an upward swing plane and high good extension on his finish. He found multiple barrels with a lot of loud contact. Aggressive approach. Raw projectable from the outfield, he showed the ability to throw at velocities up to 72 mph; had a twitchy exchange, athletic quick footwork, and soft hands. Laterally, movements were athletic and fielded the ball out front. Consistent accuracy to the bases, used a long loose arm action and a ¾ slot.
Exit Velocity: 85 mph
Arm Velocity: 72 mph