80.4
Velocity (max)
9/24/23
CLASS OF 2024
RHP
OF
Trevor
Alzner
Uxbridge (HS) • ON
6' 1" • 237LBS
R/R • 17yr 5mo
Travel Team: Markham Mariners
6' 1" • 237LBS
R/R • 17yr 5mo
Travel Team: Markham Mariners
Rankings
2024 National
Rankings available to Premium Subscriber
2024 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
78 - 80.3
Velo Range
9/24/23
2187
Spin Rate (avg)
9/24/23
Changeup
67.1 - 68.5
Velo Range
9/24/23
1552
Spin Rate (avg)
9/24/23
Curveball
63.2 - 64.4
Velo Range
9/24/23
2230
Spin Rate (avg)
9/24/23
Slider
65.7 - 66.9
Velo Range
9/24/23
2136
Spin Rate (avg)
9/24/23
79
Exit Velocity (max)
10/22/22
74.4
Exit Velocity (avg)
10/22/22
235
Distance (max)
9/24/23
50
Sweet Spot %
9/24/23
8.01
60
9/24/23
4.52
30-yd
9/24/23
1.92
10-yd
9/24/23
17.6
Run speed (max)
9/24/23
72
INF Velo
9/24/23
75
OF Velo
10/22/22
-
C Velo
-
Pop Time
Positional Tools
2023
2022
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
72.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
75.0
Hitting
2023
2022
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
77.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
72.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
235
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
160
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
16.1
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).
79.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
190
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
95
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
9.4
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.
2023 Markham Mariners Scout Day
Sep 24, 2023
Trackman - Hitting
77.0
Exit Velocity (max)
72.8
Exit Velocity (avg)
160
Distance (avg)
235
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 Markham Mariners Scout Day
Oct 22, 2022
Trackman - Hitting
79.0
Exit Velocity (max)
74.4
Exit Velocity (avg)
95
Distance (avg)
190
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2023
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.2
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).
2187
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.
27.6
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).
63.7
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).
2230
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).
67.8
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).
1552
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).
66.3
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).
2136
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).
74.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.6
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).
2002
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
64.3
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).
2036
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).
2023 Markham Mariners Scout Day
Sep 24, 2023
Trackman - Fastball
80.4
Velocity (max)
78.0 - 80.3
Velo Range
77.8
Eff Velocity (avg)
2,208
Spin Rate (max)
2,187
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
64.7
Velocity (max)
63.2 - 64.4
Velo Range
62.2
Eff Velocity (avg)
2,295
Spin Rate (max)
2,230
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
66.9
Velocity (max)
65.7 - 66.9
Velo Range
64.7
Eff Velocity (avg)
2,139
Spin Rate (max)
2,136
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
68.5
Velocity (max)
67.1 - 68.5
Velo Range
66.5
Eff Velocity (avg)
1,719
Spin Rate (max)
1,552
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2022 Markham Mariners Scout Day
Oct 22, 2022
Trackman - Fastball
74.7
Velocity (max)
72.8 - 74.4
Velo Range
73.8
Eff Velocity (avg)
2,069
Spin Rate (max)
2,002
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - Slider
65.1
Velocity (max)
63.3 - 65.1
Velo Range
63.9
Eff Velocity (avg)
2,075
Spin Rate (max)
2,036
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
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
74.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.5
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.5
Game Performance
2024
2023
2022
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.92
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.52
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.01
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.
1.92
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.52
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.01
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.93
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.47
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.07
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
RSi
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
2022 Markham Mariners Scout Day
Oct 22, 2022
Swift
1.93
10-yd
4.47
30-yd
8.07
60-yd
17.1
Run speed (max)
1.20
RSi (max)
1.20
RSi (avg)
1,436
Jump Power (max)
20.4
Jump Height (max)
20.1
Jump Height (avg)
Visual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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