@jamesonrap 
89.4
Velocity (max)
3/01/25
CLASS OF 2026
LHP
1B
Jameson
Rapinchuk
Harvest Christian Academy (HS) • IL
6' 0" • 203.5LBS
R/L • 17yr 11mo
Travel Team: Top Tier
6' 0" • 203.5LBSR/L • 17yr 11mo
Travel Team: Top Tier
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
85.9 - 89.4
Velo Range
3/01/25
1848
Spin Rate (avg)
6/03/25
Changeup
78 - 81
Velo Range
6/03/25
1364
Spin Rate (avg)
8/06/24
Curveball
73 - 77
Velo Range
7/16/25
2084
Spin Rate (avg)
3/01/25
Slider
77 - 78
Velo Range
3/17/25
2070
Spin Rate (avg)
3/01/25
Positional Tools
Hitting
Hitting
Pitching
2025
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
85.8
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1812
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
21.1
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.0
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2084
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
78.9
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
941
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.0
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2045
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
87.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.8
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1596
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
19.3
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.8
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1261
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.5
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1867
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Illinois State Games (Invite-Only)
Aug 5, 2025
Trackman - Fastball
87.3
Velocity (max)
83.7 - 86.0
Velo Range
84.3
Eff Velocity (avg)
1,923
Spin Rate (max)
1,796
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
76.6
Velocity (max)
72.1 - 75.7
Velo Range
72.6
Eff Velocity (avg)
2,127
Spin Rate (max)
2,018
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
75.0
Velocity (max)
73.2
Eff Velocity (avg)
1,062
Spin Rate (max)
1,062
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Top Tier Scout Day
Jun 3, 2025
Trackman - Fastball
88.4
Velocity (max)
86.5 - 88.0
Velo Range
86.7
Eff Velocity (avg)
1,965
Spin Rate (max)
1,848
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
74.3
Velocity (max)
72.4 - 74.1
Velo Range
72.8
Eff Velocity (avg)
2,109
Spin Rate (max)
2,052
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
81.1
Velocity (max)
78.5 - 80.7
Velo Range
79.7
Eff Velocity (avg)
1,055
Spin Rate (max)
924
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Preseason All-State: Upperclass (Invite-Only)
Mar 1, 2025
Trackman - Fastball
89.4
Velocity (max)
85.9 - 89.4
Velo Range
86.0
Eff Velocity (avg)
2,014
Spin Rate (max)
1,831
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
75.4
Velocity (max)
72.8 - 75.1
Velo Range
71.4
Eff Velocity (avg)
2,142
Spin Rate (max)
2,084
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
76.4
Velocity (max)
73.3 - 76.4
Velo Range
73.0
Eff Velocity (avg)
2,138
Spin Rate (max)
2,070
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
80.0
Velocity (max)
78.7 - 79.6
Velo Range
78.4
Eff Velocity (avg)
1,082
Spin Rate (max)
934
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Illinois State Games (Invite-Only)
Aug 6, 2024
Trackman - Fastball
87.2
Velocity (max)
82.8 - 86.3
Velo Range
82.9
Eff Velocity (avg)
1,831
Spin Rate (max)
1,600
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
75.8
Velocity (max)
72.8 - 75.8
Velo Range
71.7
Eff Velocity (avg)
2,132
Spin Rate (max)
1,953
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
78.8
Velocity (max)
78.8 - 78.8
Velo Range
77.7
Eff Velocity (avg)
1,460
Spin Rate (max)
1,364
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Southwest Chicago Preseason ID
Feb 3, 2024
Trackman - Fastball
79.2
Velocity (max)
77.0 - 78.8
Velo Range
76.6
Eff Velocity (avg)
1,660
Spin Rate (max)
1,587
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
67.6
Velocity (max)
66.1 - 67.2
Velo Range
65.0
Eff Velocity (avg)
1,843
Spin Rate (max)
1,781
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
72.4
Velocity (max)
71.3 - 72.3
Velo Range
71.4
Eff Velocity (avg)
1,266
Spin Rate (max)
1,219
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2024
Fastball
Hop+
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.
Pitching Velos
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
85.4
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.7
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.8
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
87.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.2
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.5
Game Performance
2024
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Vizual Edge
Pitch Ai
Notes
News
- Top Tier Scout Day: Takeaways - Aug 19, 2025
- Top Tier Scout Day: Statistical Analysis & Data Dive - Jun 10, 2025
- Preseason All-State Upperclass: Pitcher Analysis - Jun 7, 2025
- 2026 Rankings Update: Risers - Apr 17, 2025
- 1A/2A Watchlist: Teams to Know - Mar 21, 2025
- Illinois Class of 2026 Rankings Update - Dec 4, 2024
- Illinois State Games: Class of 2026 Left-Handed Pitching Analysis - Nov 7, 2024
- Illinois 2026 Rankings: Newcomers - Sep 6, 2024
- Southwest Chicago Preseason ID: Pitcher Analysis - Apr 11, 2024
Comments
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Verbally committed to Maryville University.
Positional Profile: LHP/1B
Body: 6-0, 193.8-pounds. Proportionate build, room to add more strength.
Delivery: Simple, quiet mover, high leg lift with tuck, tall/fall down the mound.
Arm Action: LH. Loose, full, quick arm action from a low 3/4 slot, intent through release.
FB: T89, 86-89 mph. Arm side run with life through the zone. T2014, 1831 average rpm.
CB: 73-75 mph. 1/7 shape, late break. T2142, 2084 average rpm.
SL: 73-76 mph. 2/8 shape, depth, lands for strikes. T2138, 2070 average rpm.
CH: 79-80 mph. Slight fade, kills spin. T1082, 934 average rpm.
Positional Profile: LHP/1B
Body: 6-0, 193.8-pounds.
Delivery: Loose, whippy actions, medium leg-lift, controlled tempo into balance point, holds pre-bend in the back knee down the mound.
Arm Action: LH. Long arm swing, low 3/4 slot, loose, slings it. Fired 1.2 scoreless innings with one hit, one walk and one strikeout.
FB: T87, 83-86 mph. Firm, late life through the zone. T1831, 1600 average rpm.
SL: 73-76 mph. Tighter 1/7 shape, late break with depth. T2132, 1953 average rpm.
CH: 79-79 mph. Arm-side fade. Tunnels effectively off of fastball. T1460, 1364 average rpm.
Positional Profile: LHP/1B
Body: 6-0, 185-pounds.
Delivery: Simple, athletic delivery. Medium leg-lift into a coiled balance point, drop/drive lower-half works in-line.
Arm Action: LH. Long reach in the back, loose arm action. 3/4 arm slot.
FB: T79, 77-79 mph. Plays clean out of the hand, has some slight arm-side movement. Some feel for the strike zone. T1660, 1587 average rpm.
SL: 66-67 mph. Short wrinkle, gradual action. Feel for the zone. T1843, 1781 average rpm.
CH: 71-72 mph. Thrown with fastball intent, plays with downer action. Best of the offspeed offerings. T1266, 1219 average rpm.