87
Velocity (max)
7/25/24
CLASS OF 2026
LHP
Sebastien
Walsh
Denmark (HS) • GA
6' 4" • 205LBS
L/L • 17yr 2mo
Travel Team: SmarTense
6' 4" • 205LBS
L/L • 17yr 2mo
Travel Team: SmarTense
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
83.7 - 86.1
Velo Range
7/24/24
1760
Spin Rate (avg)
7/24/24
Changeup
78 - 80
Velo Range
6/06/24
795
Spin Rate (avg)
6/04/24
Curveball
71 - 75
Velo Range
6/06/24
-
Spin Rate (avg)
Slider
73.7 - 76.1
Velo Range
7/24/24
2068
Spin Rate (avg)
7/24/24
Positional Tools
Hitting
Hitting
Pitching
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.5
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).
1719
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.
20.3
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).
78.0
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).
795
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).
74.1
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).
2030
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).
Future Games (Class of 2026/27)
Jul 24, 2024
Trackman - Fastball
86.8
Velocity (max)
83.7 - 86.1
Velo Range
84.4
Eff Velocity (avg)
1,902
Spin Rate (max)
1,760
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
76.6
Velocity (max)
73.7 - 76.1
Velo Range
73.6
Eff Velocity (avg)
2,210
Spin Rate (max)
2,068
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Top Prospect Games: Underclass (Invite-Only)
Jun 4, 2024
Trackman - Fastball
85.8
Velocity (max)
82.2 - 85.3
Velo Range
84.1
Eff Velocity (avg)
1,884
Spin Rate (max)
1,657
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
73.7
Velocity (max)
71.4 - 73.2
Velo Range
71.4
Eff Velocity (avg)
2,025
Spin Rate (max)
1,940
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
78.9
Velocity (max)
77.0 - 78.9
Velo Range
77.4
Eff Velocity (avg)
850
Spin Rate (max)
795
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
2024
2023
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)
83.4
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.8
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.0
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
Game Performance
Visual Edge
Pitch Ai
Notes
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Positional Profile: LHP/1B
Body: 6-4, 191-pounds.
Delivery: Starts tall, drops down into the back leg going down the mound. Big counter rotation with the chest, can cause timing issues at times.
Arm Action: LH. Higher 3/4 arm slot. Fairly long arm swing, times it up well.
FB: T86, 82-85 mph. Big carry at the top of the zone. Ball really jumps out of the hand. Cut/ride shape at times. T1884, 1657 average rpm.
SL: 71-73 mph. Cutter type shape with some carry, but also a good bit of sweep to it. T2025, 1940 average rpm.
CH: 77-79 mph. Kills a lot of spin on it. Tumbling out of the hand. T850, 795 average rpm.