93.3
Velocity (max)
10/25/20
CLASS OF 2023
RHP
Derek
Jahn
Warren Township (HS) • IL
6' 0" • 190LBS
R/R • 19yr 9mo
Travel Team: Top Tier Americans
6' 0" • 190LBS
R/R • 19yr 9mo
Travel Team: Top Tier Americans
Rankings
2023 National
Rankings available to Premium Subscriber
2023 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
89.9 - 92.8
Velo Range
10/25/20
2485
Spin Rate (avg)
10/25/20
Changeup
79 - 83
Velo Range
10/25/20
1567
Spin Rate (avg)
10/25/20
Curveball
68 - 68
Velo Range
7/20/22
-
Spin Rate (avg)
Slider
79 - 84
Velo Range
10/25/20
2275
Spin Rate (avg)
10/25/20
Positional Tools
Hitting
Hitting
Pitching
2020
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
93.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
91.3
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).
2485
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.
27.2
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).
80.2
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).
1567
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).
79.9
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).
2275
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).
Underclass Showcase
Oct 25, 2020
Trackman - Fastball
93.3
Velocity (max)
89.9 - 92.8
Velo Range
90.3
Eff Velocity (avg)
2,573
Spin Rate (max)
2,485
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
83.5
Velocity (max)
77.9 - 81.9
Velo Range
78.1
Eff Velocity (avg)
2,357
Spin Rate (max)
2,275
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
83.4
Velocity (max)
78.2 - 82.3
Velo Range
77.9
Eff Velocity (avg)
1,639
Spin Rate (max)
1,567
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
Pitching Velos
2022
2020
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
93.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
91.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.5
Game Performance
Visual Edge
Pitch Ai
Notes
News
- 2023 Spring Follows (Uncommitted Arms) - Jan 28, 2021
- Illinois 2023 Rankings Updated - Jan 18, 2021
- Illinois Underclass Showcase: Top Overall 2023 Prospects - Jan 7, 2021
- Underclass Showcase: Pitcher Analysis - Jan 6, 2021
- 2023s On The Rise - Dec 16, 2020
- Illinois Underclass Showcase: Quick Hits - Oct 27, 2020
Comments
Draft Reports
Contact
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Positional Profile: RHP; Emerged as one of the top power arms in the Midwest.
Body: 6-0, 195-pounds. Strong, wide-shouldered, physical build.
Delivery: Stretch only, high leg kick, tall/fall type delivery, strong front side, lands square to target, level shoulders, balanced finish, repeatable.
Arm Action: RH. High 3/4 arm slot, short, quick action.
FB: T93, 90-92 mph. Highest velocity at event, heavy ball, plays downhill at times, averaged 2,485 RPM via TrackMan.
SL: 79-84 mph. Tight shape, thrown aggressively, flashed swing-and-miss action, still harnessing feel, average spin rate 2,275 RPM via TrackMan.
CH: 79-83 mph. Advanced feel for his age, run/sink action, locates at the bottom of zone, arm speed similar to fastball.