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.
The maximum speed, in the direction of home plate, that the wrist is traveling. Measured in meters per second (m/s)
Arm Slot
Angle of the forearm relative to the ground between maximum external rotation (MER) and ball release (BR). Which can be a powerful player comparison metric, delivered in degrees.
Knee Extension Velo
The angular velocity of the front knee straightening after foot plant, which provides indicators of velocity potential. Measured in degrees per second.
Deception
The amount of time that the ball is visible to the hitter, after the instant of front foot strike. Measures in milliseconds.
Hip-Shoulder Separation
The difference in angle of between the hips and shoulders, occurring close to the foot plant. Measured in degrees.
Thomas Gonzales, JSerra Catholic (CA), 2025 Positional Profile: MINF/P Body: 5-10, 160-pounds. Medium frame. Athletic build with present lower half strength. Defense: INF- Light quick feet that play through the ball. Works low to the ground. Heel to toe actions. Quick out the glove to release. OF - Charges aggressively and doesn't break momentum. Displays glove early. Quick to crowhop and release. Arm: RH. INF - 81 mph. OF - 87 mph. Short AA from both spots. Above average strength. Quick in getting to release. Present accuracy. Can manipulate slot if needed. Hit: RHH. Athletic balanced stance. Sits into his legs. Simple trigger. No wasted movement. Hands work short and direct. Above average bat speed. Turns tight and quick (17s rotational acceleration). Flat through. More FBs than LDs/GBs in his BP round. Delivery: Athletic delivery. Quick down the mound. Belt high knee tuck. Initiates drift early. Downhill shoulders. Still head. Works in-line. Finishes over landing leg. Arm Action: RH. Compact AA. Advanced arm speed. Present layback. Hides behind the body well for deception. Works to a 3/4 slot. FB: Flashed some decent carry through the zone. Swing and misses up. CB: Above average spin. Slurvy shape. Present feel in zone. Whiffs against RHHs. CH: Downward fading CH. Kills VB down to about 8 inches IVB.
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Thomas Gonzales, JSerra Catholic (CA), 2025
Positional Profile: MINF/P
Body: 5-10, 160-pounds. Medium frame. Athletic build with present lower half strength.
Defense: INF- Light quick feet that play through the ball. Works low to the ground. Heel to toe actions. Quick out the glove to release. OF - Charges aggressively and doesn't break momentum. Displays glove early. Quick to crowhop and release.
Arm: RH. INF - 81 mph. OF - 87 mph. Short AA from both spots. Above average strength. Quick in getting to release. Present accuracy. Can manipulate slot if needed.
Hit: RHH. Athletic balanced stance. Sits into his legs. Simple trigger. No wasted movement. Hands work short and direct. Above average bat speed. Turns tight and quick (17s rotational acceleration). Flat through. More FBs than LDs/GBs in his BP round.
Delivery: Athletic delivery. Quick down the mound. Belt high knee tuck. Initiates drift early. Downhill shoulders. Still head. Works in-line. Finishes over landing leg.
Arm Action: RH. Compact AA. Advanced arm speed. Present layback. Hides behind the body well for deception. Works to a 3/4 slot.
FB: Flashed some decent carry through the zone. Swing and misses up.
CB: Above average spin. Slurvy shape. Present feel in zone. Whiffs against RHHs.
CH: Downward fading CH. Kills VB down to about 8 inches IVB.