A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
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Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
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Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
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.
Andrew Yen: RHP/3B, (2025) Chelmsford, MA. 165-pound solid frame. Capable at the plate, Yen recorded an exit velocity of 79 mph. (68.8 mph bat speed average). (18.8 mph hand speed average). Started in an open wide stance with a high handsy load, then used a closed small stride. Bat speed is developing, exhibits an uphill loose swing plane and high finish. He barreled up some balls with some loud contact. Gap to gap approach. Capable in the infield, displayed a velocity of 73 mph; shows a clean exchange, developing consistent feet, and developing hands. Fields the ball out front, movements laterally were developing. Had consistent accuracy to the base with a high ¾ slot. Capable on the mound, showing developing arm speed he showed low ¾ arm angle and a consistent arm action. Feel type pitcher and showed some effort. In his delivery his balance point is tall with in line shoulders. Lands closed with a falling off finish. Threw his fastball 77-78 mph; has command arm side around the zone and running sinking action. (Max spin 2155; Avg 2122). His curveball (68-69) showed glove side around the zone control and slurvey action. (Max spin 2061; Avg 1796). His changeup (73-74) had gradual fading action and arm side control.
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Andrew Yen: RHP/3B, (2025) Chelmsford, MA. 165-pound solid frame. Capable at the plate, Yen recorded an exit velocity of 79 mph. (68.8 mph bat speed average). (18.8 mph hand speed average). Started in an open wide stance with a high handsy load, then used a closed small stride. Bat speed is developing, exhibits an uphill loose swing plane and high finish. He barreled up some balls with some loud contact. Gap to gap approach. Capable in the infield, displayed a velocity of 73 mph; shows a clean exchange, developing consistent feet, and developing hands. Fields the ball out front, movements laterally were developing. Had consistent accuracy to the base with a high ¾ slot. Capable on the mound, showing developing arm speed he showed low ¾ arm angle and a consistent arm action. Feel type pitcher and showed some effort. In his delivery his balance point is tall with in line shoulders. Lands closed with a falling off finish. Threw his fastball 77-78 mph; has command arm side around the zone and running sinking action. (Max spin 2155; Avg 2122). His curveball (68-69) showed glove side around the zone control and slurvey action. (Max spin 2061; Avg 1796). His changeup (73-74) had gradual fading action and arm side control.