83.5
Velocity (max)
3/03/24
CLASS OF 2025
RHP
3B
Grant
Kelderman
Pella Christian (HS) • IA
6' 2" • 215LBS
R/R • 18yr 2mo
6' 2" • 215LBS
R/R • 18yr 2mo
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
80.9 - 83.2
Velo Range
3/03/24
2009
Spin Rate (avg)
3/05/23
Changeup
74.8 - 77.6
Velo Range
3/03/24
1624
Spin Rate (avg)
3/03/24
Slider
71 - 75.6
Velo Range
3/03/24
2177
Spin Rate (avg)
3/05/23
Positional Tools
Hitting
Hitting
Pitching
2024
2023
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.5
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.1
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).
1961
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.
23.9
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).
76.2
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).
1624
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).
73.2
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).
2135
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).
81.9
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
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).
2009
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.
24.8
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).
74.1
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).
1530
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).
71.4
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).
2177
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).
PBR IA Preseason All-State (Invite Only)
Mar 3, 2024
Trackman - Fastball
83.5
Velocity (max)
80.9 - 83.2
Velo Range
80.3
Eff Velocity (avg)
1,986
Spin Rate (max)
1,961
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
77.0
Velocity (max)
71.0 - 75.6
Velo Range
70.8
Eff Velocity (avg)
2,177
Spin Rate (max)
2,135
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
78.0
Velocity (max)
74.8 - 77.6
Velo Range
75.0
Eff Velocity (avg)
1,699
Spin Rate (max)
1,624
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
PBR IA Preseason All-State (Invite Only)
Mar 5, 2023
Trackman - Fastball
81.9
Velocity (max)
80.6 - 81.5
Velo Range
80.0
Eff Velocity (avg)
2,049
Spin Rate (max)
2,009
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
73.9
Velocity (max)
69.5 - 73.3
Velo Range
69.5
Eff Velocity (avg)
2,214
Spin Rate (max)
2,177
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
75.2
Velocity (max)
72.5 - 75.2
Velo Range
73.6
Eff Velocity (avg)
1,567
Spin Rate (max)
1,530
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
Game Performance
Visual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: RHP/3B
Body: 6-2, 215-pounds.
Delivery: Present strength and durable frame, repeats well, moderate effort, some finish to plate.
Arm Action: RH. Longer arm swing, working to unravel past head, OT slot.
FB: T84, 81-83 mph.
SL: 71-76 mph.
CH: 75-78 mph
Positional Profile: RHP
Body: 6_2, 215-pounds.
Delivery: Travels across rubber, high balance point, lands inline with aggressive finish.
Arm Action: RH. Segmented arm path; flashes of hand quickness, OT slot.
FB: T81.90, 80.6-81.5 mph. Consistently in zone; flat action.
SL: 69.5-73.3 mph. Tight 10/4 shape and is an above avg. pitch.
CH: 72.5-75.2 mph. FB arm speed producing late run and sink.