21.4
Hand Speed (max)
6/12/24
CLASS OF 2028
3B
1B
Robert
Grosch
Fort Zumwalt North (HS) • MO
5' 8" • 155.2LBS
R/R • 14yr 6mo
Travel Team: St. Louis Legacy
5' 8" • 155.2LBSR/R • 14yr 6mo
Travel Team: St. Louis Legacy
Commitment
UNCOMMITTED
Player has made a commitment?
Tell us where
Best Of Stats
67.9
Bat Speed (max)
6/12/24
9
Rot. Acc (max)
6/12/24
-
Hard Hit %
86.5
Exit Velocity (max)
9/22/24
79.4
Exit Velocity (avg)
9/22/24
317
Distance (max)
9/22/24
67
Sweet Spot %
6/12/24
7.7
60
6/12/24
-
30-yd
-
10-yd
13.9
Run speed (max)
4/11/23
79
INF Velo
9/22/24
-
OF Velo
-
C Velo
-
Pop Time
Fastball
75.8
Velocity (max)
9/22/24
74.4 - 75.3
Velo Range
9/22/24
2123
Spin Rate (avg)
9/22/24
Changeup
70.2 - 72.4
Velo Range
9/22/24
1615
Spin Rate (avg)
9/22/24
Curveball
64.3 - 65.2
Velo Range
9/22/24
2155
Spin Rate (avg)
9/22/24
Slider
65.7 - 67
Velo Range
6/12/24
2125
Spin Rate (avg)
9/22/24
Positional Tools
2024
2023
Sign in to view rankings 
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).
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.
11.2
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.83
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
70.0
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.
8.4
Hitting
2024
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.5
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
317
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
168
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
14.4
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.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
74.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
62.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
253
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
178
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
38.9
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.
Legacy Scout Day
Sep 22, 2024
Trackman - Hitting
86.5
Exit Velocity (max)
79.4
Exit Velocity (avg)
141
Distance (avg)
317
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
St. Louis Summer ID
Jun 12, 2024
Trackman - Hitting
83.3
Exit Velocity (max)
78.8
Exit Velocity (avg)
190
Distance (avg)
291
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Gators Rising Stars ID
Apr 11, 2023
Trackman - Hitting
74.6
Exit Velocity (max)
62.2
Exit Velocity (avg)
178
Distance (avg)
253
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Hitting
2024
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.4
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.9
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
65.0
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.
Legacy Scout Day
Sep 22, 2024
Blast - Hitting
20.5
Hand Speed (max)
19.6
Hand Speed (avg)
66.8
Bat Speed (max)
65.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
St. Louis Summer ID
Jun 12, 2024
Blast - Hitting
21.4
Hand Speed (max)
20.7
Hand Speed (avg)
67.9
Bat Speed (max)
64.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
75.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.0
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).
1897
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.
26.0
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).
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).
1981
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).
71.4
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).
1600
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).
66.1
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).
2022
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).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.9
Sinker
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).
1366
Sinker
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Legacy Scout Day
Sep 22, 2024
Trackman - Fastball
75.8
Velocity (max)
74.4 - 75.3
Velo Range
72.9
Eff Velocity (avg)
2,168
Spin Rate (max)
2,123
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
65.3
Velocity (max)
64.3 - 65.2
Velo Range
61.9
Eff Velocity (avg)
2,230
Spin Rate (max)
2,155
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)
65.6 - 66.6
Velo Range
63.5
Eff Velocity (avg)
2,171
Spin Rate (max)
2,125
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
72.4
Velocity (max)
70.2 - 72.4
Velo Range
69.4
Eff Velocity (avg)
1,699
Spin Rate (max)
1,615
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
St. Louis Summer ID
Jun 12, 2024
Trackman - Fastball
74.3
Velocity (max)
67.2 - 74.3
Velo Range
69.5
Eff Velocity (avg)
1,900
Spin Rate (max)
1,703
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
63.4
Velocity (max)
60.8 - 63.4
Velo Range
59.1
Eff Velocity (avg)
1,796
Spin Rate (max)
1,750
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
67.3
Velocity (max)
65.7 - 67.0
Velo Range
63.5
Eff Velocity (avg)
2,009
Spin Rate (max)
1,920
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
72.0
Velocity (max)
71.3 - 72.0
Velo Range
69.2
Eff Velocity (avg)
1,725
Spin Rate (max)
1,571
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Sinker
73.3
Velocity (max)
68.6 - 73.1
Velo Range
68.2
Eff Velocity (avg)
1,737
Spin Rate (max)
1,366
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
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
Sinker
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
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
St. Louis Summer ID
Jun 12, 2024
Pitch Scores - Fastball
Rise+
Pitch Scores - Sinker
Rise+
Pitch Scores - Slider
Hammer+
Sweep+
Pitching Velos
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
73.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
57.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.5
Game Performance
2024
2023
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.
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.83
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Visual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
Physical
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.