@grantseppy 21.5
Hand Speed (max)
3/02/25
CLASS OF 2028
C
RHP
Grant
Seppelfrick
Oswego East (HS) • IL
5' 9" • 208.1LBS
R/R • 15yr 10mo
Travel Team: Canes Illinois
5' 9" • 208.1LBSR/R • 15yr 10mo
Travel Team: Canes Illinois
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
71
Bat Speed (max)
3/02/25
17.7
Rot. Acc (max)
3/02/25
33
Hard Hit %
3/01/26
92.6
Exit Velocity (max)
3/02/25
86.6
Exit Velocity (avg)
3/02/25
343
Distance (max)
3/01/26
60
Sweet Spot %
3/02/25
7.74
60-yd
3/01/26
4.23
30-yd
3/01/26
1.78
10-yd
3/01/26
17.5
Run speed (max)
3/01/26
-
INF Velo
68
OF Velo
7/12/23
72
C Velo
3/02/25
2.12 - 2.22
Pop Time
3/01/26
Fastball
81.4
Velocity (max)
3/02/25
79 - 81
Velo Range
3/02/25
1891
Spin Rate (avg)
3/01/26
Changeup
71 - 74
Velo Range
3/02/25
1561
Spin Rate (avg)
3/02/25
Curveball
70 - 72
Velo Range
3/02/25
2318
Spin Rate (avg)
3/01/26
Positional Tools
2026
2025
2023
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.74
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.12 - 2.22
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
71.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
12.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.20
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.16 - 2.34
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
72.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
11.3
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
68.0
Hitting
2026
2025
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
92.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
86.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
343
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
225
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
19.2391
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
92.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
86.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
311
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
220
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
19.984
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
77.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
67.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
251
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
157
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
31.1038
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Joliet Preseason ID
Mar 1, 2026
Trackman - Hitting
92.6
Exit Velocity (max)
86.1
Exit Velocity (avg)
225
Distance (avg)
343
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Joliet Preseason ID
Mar 2, 2025
Trackman - Hitting
92.6
Exit Velocity (max)
86.6
Exit Velocity (avg)
220
Distance (avg)
311
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
ESP Scout Day
Jul 12, 2023
Trackman - Hitting
77.2
Exit Velocity (max)
67.5
Exit Velocity (avg)
157
Distance (avg)
251
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
2025
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
65.7
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
71.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
69.0
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
18.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
62.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
60.1
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Joliet Preseason ID
Mar 1, 2026
Blast - Hitting
20.2
Hand Speed (max)
19.1
Hand Speed (avg)
69.7
Bat Speed (max)
65.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Joliet Preseason ID
Mar 2, 2025
Blast - Hitting
21.5
Hand Speed (max)
20.7
Hand Speed (avg)
71.0
Bat Speed (max)
69.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
ESP Scout Day
Jul 12, 2023
Blast - Hitting
18.7
Hand Speed (max)
18.1
Hand Speed (avg)
62.0
Bat Speed (max)
60.1
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
2025
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
78.7
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).
1891
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.
24.0
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).
67.2
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).
2318
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).
72.7
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).
1387
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.1
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).
1858
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.
23.2
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.9
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).
2159
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).
72.3
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).
1561
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
71.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.2
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).
1860
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.
26.5
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).
60.8
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).
2234
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).
Joliet Preseason ID
Mar 1, 2026
Trackman - Fastball
79.7
Velocity (max)
77.7 - 79.6
Velo Range
76.9
Eff Velocity (avg)
1,967
Spin Rate (max)
1,891
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
67.9
Velocity (max)
66.6 - 67.7
Velo Range
64.6
Eff Velocity (avg)
2,406
Spin Rate (max)
2,318
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
73.6
Velocity (max)
72.0 - 73.4
Velo Range
70.9
Eff Velocity (avg)
1,449
Spin Rate (max)
1,387
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Joliet Preseason ID
Mar 2, 2025
Trackman - Fastball
81.4
Velocity (max)
79.3 - 80.9
Velo Range
78.5
Eff Velocity (avg)
1,959
Spin Rate (max)
1,858
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
71.9
Velocity (max)
69.9 - 71.8
Velo Range
67.8
Eff Velocity (avg)
2,175
Spin Rate (max)
2,159
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
74.4
Velocity (max)
70.9 - 73.6
Velo Range
70.6
Eff Velocity (avg)
1,628
Spin Rate (max)
1,561
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
ESP Scout Day
Jul 12, 2023
Trackman - Fastball
71.3
Velocity (max)
69.4 - 70.9
Velo Range
68.8
Eff Velocity (avg)
2,062
Spin Rate (max)
1,860
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
61.9
Velocity (max)
59.8 - 61.7
Velo Range
58.9
Eff Velocity (avg)
2,287
Spin Rate (max)
2,234
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
2026
2025
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
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
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
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2026
2025
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
79.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
71.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
61.0
Game Performance
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.97
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.59
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
2026
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.78
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.23
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.74
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
2.14
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.63
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.2
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Vizual Edge
2026
2025
Edge Score
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.
83.29
Edge Score
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.
83.79
Pitch Ai
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Physical
2026
2025
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
C Grant Seppelfrick (Oswego East, 2028) is a freshman bat to know coming out of the event. The strong-bodied, compact right-handed hitter averaged 86.6 mph off the bat, T92.6 mph with a furthest batted ball of 311’. Its a compact, repeatable swing with a heavy barrel that was consistently on time.
Positional Profile: C/RHP
Body: 5-8, 222-pounds.
Delivery: Stretch only, powerful delivery with force down the mound, works in-line.
Arm Action: RH. Clean arm, medium circle, 3/4 release.
FB: T81, 79-81 mph. Plays with life and finish through the zone, carry traits. T1959, 1858 average rpm.
CB: 70-72 mph. Flashed sharp action, 11/5 shape and depth. T2175, 2159 average rpm.
CH: 71-74 mph. Shows hard run at times, some feel down. T1628, 1561 average rpm.
Positional Profile: C/RHP
Body: 5-8, 222 pounds. Strong and sturdy frame.
Hit: RHH. Balanced upright setup, short stride. Compact, repeatable, strong swing, uphill approach. 69 mph bat speed with 14g of rotational acceleration.
Power: 93 mph max exit velocity (86.6 avg.).
Arm: RH. C - 72 mph. Whippy 3/4 slot, plays true.
Defense: 2.16-2.34 pop time range; Square setup, works up through the baseball, works to present the pitch. Clean transfers, feet work inline.
Athletic Testing: 8.20 runner in the 60-yard dash; 18.00-inch max vertical jump.
Vizual Edge: 83.79 Edge Score.