24.3
Hand Speed (max)
2/20/23
CLASS OF 2026
SS
Zach
Geertsma
Governor Livingston High School (HS) • NJ
6' 1" • 175LBS
R/R • 16yr 6mo
Travel Team: Diamond Jacks Super 16u
6' 1" • 175LBS
R/R • 16yr 6mo
Travel Team: Diamond Jacks Super 16u
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
74.4
Bat Speed (max)
2/20/23
14.6
Rot. Acc (max)
10/08/23
-
Hard Hit %
91.3
Exit Velocity (max)
10/08/23
85.1
Exit Velocity (avg)
10/08/23
354
Distance (max)
10/08/23
60
Sweet Spot %
10/08/23
7.36
60
10/08/23
4.06
30-yd
10/08/23
1.81
10-yd
10/08/23
18.6
Run speed (max)
10/08/23
84
INF Velo
10/08/23
-
OF Velo
-
C Velo
-
Pop Time
Fastball
78
Velocity (max)
2/20/23
77 - 78
Velo Range
2/20/23
2043
Spin Rate (avg)
2/20/23
Changeup
71 - 73.5
Velo Range
2/20/23
1282
Spin Rate (avg)
2/20/23
Curveball
66 - 68
Velo Range
2/20/23
1828
Spin Rate (avg)
2/20/23
Positional Tools
2023
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.63
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
84.0
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.
12.0
Hitting
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
91.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
80.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
354
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
222
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
26.3
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 NJ Fall Top Prospect Games (Invite-Only)
Oct 8, 2023
Trackman - Hitting
91.3
Exit Velocity (max)
85.1
Exit Velocity (avg)
241
Distance (avg)
354
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scout Day: Diamond Jacks 2.20.23
Feb 20, 2023
Trackman - Hitting
84.8
Exit Velocity (max)
70.4
Exit Velocity (avg)
182
Distance (avg)
268
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Hitting
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
24.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.6
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.4
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
69.1
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.
2023 NJ Fall Top Prospect Games (Invite-Only)
Oct 8, 2023
Blast - Hitting
21.3
Hand Speed (max)
20.2
Hand Speed (avg)
74.2
Bat Speed (max)
68.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Scout Day: Diamond Jacks 2.20.23
Feb 20, 2023
Blast - Hitting
24.3
Hand Speed (max)
21.1
Hand Speed (avg)
74.4
Bat Speed (max)
70.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.2
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).
2043
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).
66.8
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).
1828
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).
72.3
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).
1282
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).
Scout Day: Diamond Jacks 2.20.23
Feb 20, 2023
Trackman - Fastball
77.8
Velocity (max)
76.7 - 77.7
Velo Range
76.8
Eff Velocity (avg)
2,136
Spin Rate (max)
2,043
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
67.7
Velocity (max)
65.9 - 67.7
Velo Range
65.7
Eff Velocity (avg)
1,883
Spin Rate (max)
1,828
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
73.5
Velocity (max)
71.0 - 73.5
Velo Range
72.1
Eff Velocity (avg)
1,378
Spin Rate (max)
1,282
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
Pitching Velos
2023
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)
77.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
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
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.81
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.06
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.36
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Visual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: SS
Body: 6-1, 175-pounds. Lean athlete w/ wiry strength.
Hit: RHH. Open setup, bend to the knees. TT stride, gathers over the back hip. Turns the barrel w/ quick hands. Explosive lower half. 68.2 mph bat speed with 11 G's of rotational acceleration.
Power: 91 max exit velocity, averaged 85.1 mph. 354' max distance.
Arm: RH. INF-84 mph. Smooth AA, compact and 3/4 slot.
Defense: Active lower half, clean glovework.
ATH: 7.36 runner in the 60. 1.81 and 4.06 in the 10 and 30 yard splits.