@ConnerKopff 78
Velocity (max)
10/19/25
CLASS OF 2028
RHP
3B
Conner
Kopff
Troy Buchanan (HS) • MO
6' 3" • 210LBS
R/R • 16yr 3mo
Travel Team: Five Star The Lou (Feise)
6' 3" • 210LBS
R/R • 16yr 3mo
Travel Team: Five Star The Lou (Feise)
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
71.1 - 77.3
Velo Range
10/19/25
1913
Spin Rate (avg)
9/06/25
Changeup
72.8 - 74.2
Velo Range
9/06/25
1892
Spin Rate (avg)
9/06/25
Curveball
62.7 - 68.2
Velo Range
10/19/25
1824
Spin Rate (avg)
10/19/25
Slider
66 - 68.4
Velo Range
9/06/25
1785
Spin Rate (avg)
9/06/25
90.1
Exit Velocity (max)
10/19/25
81.8
Exit Velocity (avg)
6/29/26
299
Distance (max)
10/19/25
50
Sweet Spot %
10/19/25
-
Hand Speed (max)
-
Bat Speed (max)
-
Rot. Acc (max)
13
Hard Hit %
10/19/25
8.29
60-yd
6/29/26
-
30-yd
-
10-yd
-
Run speed (max)
79
INF Velo
6/29/26
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2026
2025
2024
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.29
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
79.0
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.
10.7
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.41
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
77.0
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.
10.7
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.91
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
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.
9.7
Hitting
2026
2025
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
88.8
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
81.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
262
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
125
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
8.8453
Hard Hit %
Percentage of batted balls with exit velocities over 90 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).
90.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
76.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
299
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
223
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
31.9109
Hard Hit %
Percentage of batted balls with exit velocities over 90 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).
86.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
246
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
136
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
14.7046
Hard Hit %
Percentage of batted balls with exit velocities over 90 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.
American Legion Scout Day (St. Louis)
Jun 29, 2026
Trackman - Hitting
88.8
Exit Velocity (max)
81.8
Exit Velocity (avg)
125
Distance (avg)
262
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
5 Star - The Lou Scout Day
Oct 19, 2025
Trackman - Hitting
90.1
Exit Velocity (max)
76.2
Exit Velocity (avg)
223
Distance (avg)
299
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
5 Star - The Lou Scout Day
Oct 11, 2024
Trackman - Hitting
86.2
Exit Velocity (max)
79.6
Exit Velocity (avg)
136
Distance (avg)
246
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.6
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).
1901
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.
25.1
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).
64.2
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).
1779
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).
70.4
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).
1791
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).
67.2
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).
1785
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).
73.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
71.1
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).
1887
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).
59.5
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).
1640
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).
63.2
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).
1260
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).
63.4
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).
1756
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).
5 Star - The Lou Scout Day
Oct 19, 2025
Trackman - Fastball
77.6
Velocity (max)
71.1 - 77.3
Velo Range
71.2
Eff Velocity (avg)
1,965
Spin Rate (max)
1,852
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
68.2
Velocity (max)
62.7 - 68.2
Velo Range
62.2
Eff Velocity (avg)
1,882
Spin Rate (max)
1,824
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
68.8
Velocity (max)
67.1 - 68.6
Velo Range
65.3
Eff Velocity (avg)
1,762
Spin Rate (max)
1,710
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
MO Fall Games (Invite-Only)
Sep 6, 2025
Trackman - Fastball
77.7
Velocity (max)
74.9 - 76.9
Velo Range
75.8
Eff Velocity (avg)
2,102
Spin Rate (max)
1,913
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
65.7
Velocity (max)
62.7 - 64.9
Velo Range
62.4
Eff Velocity (avg)
1,858
Spin Rate (max)
1,765
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
68.6
Velocity (max)
66.0 - 68.4
Velo Range
66.0
Eff Velocity (avg)
1,850
Spin Rate (max)
1,785
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
74.2
Velocity (max)
72.8 - 74.2
Velo Range
73.3
Eff Velocity (avg)
1,959
Spin Rate (max)
1,892
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
5 Star - The Lou Scout Day
Oct 11, 2024
Trackman - Fastball
73.6
Velocity (max)
69.3 - 73.0
Velo Range
69.5
Eff Velocity (avg)
1,935
Spin Rate (max)
1,887
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
61.1
Velocity (max)
57.9 - 61.1
Velo Range
56.9
Eff Velocity (avg)
1,684
Spin Rate (max)
1,640
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
63.8
Velocity (max)
62.9 - 63.8
Velo Range
61.8
Eff Velocity (avg)
1,831
Spin Rate (max)
1,756
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
63.8
Velocity (max)
62.6 - 63.8
Velo Range
61.9
Eff Velocity (avg)
1,336
Spin Rate (max)
1,260
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
2024
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
Pitching Velos
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
76.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
64.8
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.8
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
Game Performance
Vizual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
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Physical
2025
2024
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.
Positional Profile: RHP/1B
Body: 6-1, 190-pounds. Tall athletic build.
Delivery: Tall and fall delivery with a moderate tempo. Uses a moderate leg lift before striding straight down the mound into a balanced landing.
Arm Action: RH. Short whippy arm action from a high 3/4 slot.
FB: T78, 75-77 mph. Some strikes, feel for moderate spin, arm side run. T2102, 1913 average rpm.
CB: 63-65 mph. Some strikes, rolling 1/7 shape. T1858, 1765 average rpm.
SL: 66-68 mph. Mostly strikes, rolling slurve shape. T1850, 1785 average rpm.
CH: 73-74 mph. Mostly strikes, arm side fade. T1959, 1892 average rpm.