A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
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
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
Jimmy Bollini, James Madison High School (VA), 2026 Positional Profile: LHP Body: 5-11, 180-pounds. Proportional frame. Delivery: In control, stretch only delivery. Arm Action: LH. Long arm action from low 3/4 slot. FB: T86, 84-85 mph. FB has arm side run. T2312, 2059 average rpm. SL: 77-78 mph. SL has gradual movement. T2239, 2150 average rpm. CH: 80-80 mph. CH has fading action. T1670, 1670 average rpm.
6/25/25
Jimmy Bollini, James Madison High School (VA), 2026 Positional Profile: LHP Body: 5-10, 165-pounds. Proportional frame. Delivery: Stretch only delivery. Arm Action: LH. Long arm action from low 3/4 slot. FB: T85, 82-84 mph. FB has arm side run. T2326, 2107 average rpm. SL: 74-77 mph. SL has short, gradual movement. T2320, 2126 average rpm. CH: 75-78 mph. CH has fading action. T1716, 1571 average rpm.
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Positional Profile: LHP
Body: 5-11, 180-pounds. Proportional frame.
Delivery: In control, stretch only delivery.
Arm Action: LH. Long arm action from low 3/4 slot.
FB: T86, 84-85 mph. FB has arm side run. T2312, 2059 average rpm.
SL: 77-78 mph. SL has gradual movement. T2239, 2150 average rpm.
CH: 80-80 mph. CH has fading action. T1670, 1670 average rpm.
Positional Profile: LHP
Body: 5-10, 165-pounds. Proportional frame.
Delivery: Stretch only delivery.
Arm Action: LH. Long arm action from low 3/4 slot.
FB: T85, 82-84 mph. FB has arm side run. T2326, 2107 average rpm.
SL: 74-77 mph. SL has short, gradual movement. T2320, 2126 average rpm.
CH: 75-78 mph. CH has fading action. T1716, 1571 average rpm.