20.7
Hand Speed (max)
6/25/25
CLASS OF 2027
OF
LHP
William
Jacobi
Marshall (HS) • VA
5' 10" • 164LBS
L/L • 17yr 7mo
Travel Team: Stars Baseball 2027 Victus 17U
5' 10" • 164LBSL/L • 17yr 7mo
Travel Team: Stars Baseball 2027 Victus 17U
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
74.1
Bat Speed (max)
2/15/26
12.9
Rot. Acc (max)
2/15/26
-
Hard Hit %
89.1
Exit Velocity (max)
6/25/25
81.1
Exit Velocity (avg)
2/15/26
320
Distance (max)
6/25/25
60
Sweet Spot %
6/25/25
7.16
60-yd
7/30/25
4.01
30-yd
2/15/26
1.69
10-yd
2/15/26
19.4
Run speed (max)
6/25/25
-
INF Velo
76
OF Velo
2/15/26
-
C Velo
-
Pop Time
Fastball
73
Velocity (max)
9/27/24
72 - 73
Velo Range
9/27/24
-
Spin Rate (avg)
Positional Tools
2026
2025
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Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
76.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.16
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
74.0
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.
12.4
Hitting
2026
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
87.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
81.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
304
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
172
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
15.2913
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).
89.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
77.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
320
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
228
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
27.3926
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.
VA/DC Preseason All-State: NOVA I (Invite-Only)
Feb 15, 2026
Trackman - Hitting
87.3
Exit Velocity (max)
81.1
Exit Velocity (avg)
172
Distance (avg)
304
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 VA/DC Scout Day: Stars Baseball
Jul 30, 2025
Trackman - Hitting
87.5
Exit Velocity (max)
77.4
Exit Velocity (avg)
221
Distance (avg)
306
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 VA/DC Top Prospect Games
Jun 25, 2025
Trackman - Hitting
89.1
Exit Velocity (max)
78.2
Exit Velocity (avg)
236
Distance (avg)
320
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.1
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
69.0
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.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.6
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
64.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
62.2
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.
VA/DC Preseason All-State: NOVA I (Invite-Only)
Feb 15, 2026
Blast - Hitting
20.0
Hand Speed (max)
19.1
Hand Speed (avg)
74.1
Bat Speed (max)
69.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 VA/DC Top Prospect Games
Jun 25, 2025
Blast - Hitting
20.7
Hand Speed (max)
19.6
Hand Speed (avg)
64.5
Bat Speed (max)
62.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
2024
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)
72.5
Game Performance
2026
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.69
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.01
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.72
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.01
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.17
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
2026
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.
67.14
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.
59.58
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Physical
2026
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: OF/LHP
Body: 5-10, 157-pounds. Lean frame.
Hit: LHH. Balanced setup with slight leg kick stride. Level bat path. 62.2 mph bat speed with 9 G's of rotational acceleration.
Power: 89 max exit velocity, averaged 78.2 mph. 320' max distance.
Arm: LH. OF-74 mph. Short, compact arm action.
Defense: Aggressive footwork.
ATH: 7.17 runner in the 60. 1.72 and 4.01 in the 10 and 30 yard splits.
Vizual Edge: 59.58 Edge Score