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.
Selden Kolkebeck, Old Tappan (NJ), 2026 Positional Profile: RHP/1B Body: 6-2, 190-pounds. Tall w/ some physicality. Delivery: Works quick and up-tempo, clean and athletic mover. Both halves work in sync. Consistent rhythm and tempo. Arm Action: RH. Long and loose, clean AA. FB: T84, 81-83 mph. Late sink. T2390, 2296 average rpm. SL: 68-70 mph. Tight shape, downer action. T2396, 2330 average rpm. CH: 76-77 mph. Sink and run. T1561, 1504 average rpm.
10/08/23
Selden Kolkebeck, Old Tappan (NJ), 2026 Positional Profile: RHP/1B Body: 6-2, 190-pounds. Tall w/ some physicality. Hit: RHH Arm: RH.
9/20/23
Selden Kolkebeck, Old Tappan (NJ), 2026 Positional Profile: RHP/1B Body: 6-2, 190-pounds. Physical and broad-shouldered. Delivery: Rhythm and up-tempo, works quick. Both halves work in sync. Engages the back hip on time, rides the slope. Arm Action: RH. Long, loose and clean. Slightly above 3/4 slot. FB: T84, 81-83 mph. Late ride in the zone. T2451, 2409 average rpm. SL: 67-70 mph. Tight spin, late downer bite. T2400, 2366 average rpm. CH: 75-76 mph. Kills spin, w/ depth. T1848, 1796 average rpm.
9/20/23
Selden Kolkebeck, Old Tappan (NJ), 2026 Positional Profile: RHP/1B Body: 6-2, 190-pounds. Physical and broad-shouldered. Hit: RHH Arm: RH.
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Positional Profile: RHP/1B
Body: 6-2, 190-pounds. Tall w/ some physicality.
Delivery: Works quick and up-tempo, clean and athletic mover. Both halves work in sync. Consistent rhythm and tempo.
Arm Action: RH. Long and loose, clean AA.
FB: T84, 81-83 mph. Late sink. T2390, 2296 average rpm.
SL: 68-70 mph. Tight shape, downer action. T2396, 2330 average rpm.
CH: 76-77 mph. Sink and run. T1561, 1504 average rpm.
Positional Profile: RHP/1B
Body: 6-2, 190-pounds. Tall w/ some physicality.
Hit: RHH
Arm: RH.
Positional Profile: RHP/1B
Body: 6-2, 190-pounds. Physical and broad-shouldered.
Delivery: Rhythm and up-tempo, works quick. Both halves work in sync. Engages the back hip on time, rides the slope.
Arm Action: RH. Long, loose and clean. Slightly above 3/4 slot.
FB: T84, 81-83 mph. Late ride in the zone. T2451, 2409 average rpm.
SL: 67-70 mph. Tight spin, late downer bite. T2400, 2366 average rpm.
CH: 75-76 mph. Kills spin, w/ depth. T1848, 1796 average rpm.
Positional Profile: RHP/1B
Body: 6-2, 190-pounds. Physical and broad-shouldered.
Hit: RHH
Arm: RH.