@VlietCollin05 84
Velocity (max)
2/22/26
CLASS OF 2027
RHP
OF
Collin
Vander Vliet
Brookfield East (HS) • WI
5' 9" • 172LBS
R/R • 17yr 8mo
Travel Team: CMB
5' 9" • 172LBSR/R • 17yr 8mo
Travel Team: CMB
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
82 - 84
Velo Range
2/22/26
2159
Spin Rate (avg)
2/22/26
Changeup
76 - 78
Velo Range
2/22/26
1712
Spin Rate (avg)
2/22/26
Curveball
74 - 76
Velo Range
2/22/26
2173
Spin Rate (avg)
2/22/26
85.6
Exit Velocity (max)
2/23/25
78.7
Exit Velocity (avg)
2/23/25
313
Distance (max)
2/23/25
90
Sweet Spot %
2/23/25
17.5
Hand Speed (max)
2/23/25
61.2
Bat Speed (max)
2/23/25
6.9
Rot. Acc (max)
2/23/25
-
Hard Hit %
7.70
60-yd
2/23/25
4.16
30-yd
2/23/25
1.74
10-yd
2/23/25
17.3
Run speed (max)
2/23/25
82
INF Velo
2/23/25
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2025
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.70
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
82.0
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.
11.1
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
85.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
78.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
313
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
240
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
26.89
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.
West Milwaukee Preseason ID
Feb 23, 2025
Trackman - Hitting
85.6
Exit Velocity (max)
78.7
Exit Velocity (avg)
240
Distance (avg)
313
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
17.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
16.9
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
61.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
59.1
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.
West Milwaukee Preseason ID
Feb 23, 2025
Blast - Hitting
17.5
Hand Speed (max)
16.9
Hand Speed (avg)
61.2
Bat Speed (max)
59.1
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
2025
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).
82.7
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).
2159
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.
26.1
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).
74.7
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).
2173
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).
76.9
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).
1712
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).
83.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
81.4
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).
1524
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.
18.7
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).
69.6
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).
1706
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).
71.8
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).
1233
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).
West Milwaukee Preseason ID
Feb 22, 2026
Trackman - Fastball
84.0
Velocity (max)
81.8 - 83.6
Velo Range
81.8
Eff Velocity (avg)
2,306
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 - Curveball
75.7
Velocity (max)
73.6 - 75.7
Velo Range
73.0
Eff Velocity (avg)
2,298
Spin Rate (max)
2,173
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
78.3
Velocity (max)
76.1 - 77.7
Velo Range
75.0
Eff Velocity (avg)
1,845
Spin Rate (max)
1,712
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
West Milwaukee Preseason ID
Feb 23, 2025
Trackman - Fastball
83.1
Velocity (max)
79.9 - 82.8
Velo Range
80.2
Eff Velocity (avg)
1,621
Spin Rate (max)
1,524
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
69.9
Velocity (max)
69.2 - 69.9
Velo Range
69.2
Eff Velocity (avg)
1,864
Spin Rate (max)
1,706
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
73.0
Velocity (max)
70.5 - 73.0
Velo Range
70.2
Eff Velocity (avg)
1,316
Spin Rate (max)
1,233
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
2026
2025
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)
83.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
69.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.0
Game Performance
2026
2025
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.
1.74
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.16
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.7
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
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.
84.02
Pitch Ai
Notes
News
- West Milwaukee Preseason ID: Pitcher Analysis - Apr 2, 2025
- West Milwaukee Preseason ID: Infielder Analysis - Apr 1, 2025
- West Milwaukee Preseason ID: Positional Data Dive - Feb 27, 2025
- West Milwaukee Preseason ID: Pitcher Data Dive - Feb 27, 2025
- West Milwaukee Preseason ID: 2027/2028 Quick Hits - Feb 26, 2025
Comments
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Physical
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.
Positional Profile: SS/RHP
Body: 5-9, 163-pounds. Athletic, good proportions, sloped shoulders, high waist, more projection coming.
Delivery: High leg lift, controlled, smooth delivery.
Arm Action: RH. Extends arm on backswing, low 3/4 slot.
FB: T83, 80-83 mph. Easy with late rising action. T1621, 1524 average rpm.
CB: 69-70 mph. Has feel for pitch, gradual break. T1864, 1706 average rpm.
CH: 71-73 mph. Heavy depth. T1316, 1233 average rpm.
ATH: 7.70 runner in the 60. 1.74 and 4.16 in the 10 and 30 yard splits. 23.50 max vertical.
Positional Profile: SS/RHP
Body: 5-9, 163-pounds. Athletic, good proportions, sloped shoulders, high waist, more projection coming.
Hit: RHH. Stock set up, toe tap gather, controlled to hitting position on time. Handsy and direct through the ball, backspins it to all fields. 59.1 mph bat speed with 6 G's of rotational acceleration.
Power: 86 max exit velocity, averaged 78.7 mph. 313' max distance.
Arm: RH. INF-82 mph. 3/4 slot with quickness, accurate.
Defense: Funnels into midline, shuffle step towards target, quickness to first step, clean actions.
ATH: 7.70 runner in the 60. 1.74 and 4.16 in the 10 and 30 yard splits. 23.50 max vertical.
Vizual Edge: 84.02 Edge Score