21.7
Hand Speed (max)
3/01/25
CLASS OF 2028
SS
OF
Mark
Williams
Naperville Central (HS) • IL
5' 9" • 140.7LBS
S/R • 15yr 6mo
Travel Team: Top Tier West
5' 9" • 140.7LBSS/R • 15yr 6mo
Travel Team: Top Tier West
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
83.8
Bat Speed (max)
3/01/25
8.9
Rot. Acc (max)
3/01/25
26
Hard Hit %
3/01/25
92.5
Exit Velocity (max)
3/01/25
82.2
Exit Velocity (avg)
3/01/25
303
Distance (max)
3/01/25
53
Sweet Spot %
5/23/24
6.91
60-yd
3/01/25
3.89
30-yd
3/01/25
1.74
10-yd
3/01/25
20.4
Run speed (max)
3/01/25
83
INF Velo
3/01/25
84
OF Velo
4/10/24
-
C Velo
-
Pop Time
Positional Tools
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)
6.91
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
83.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
83.0
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.
13.4
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.34
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
Outfield Velocity
The athlete's maximum throwing velocity from an outfield 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.
11.7
Hitting
2025
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
92.5
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
82.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
303
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
177
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.2339
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).
85.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
72.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
302
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
142
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
19.478
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.
Preseason All-State: Underclass (Invite-Only)
Mar 1, 2025
Trackman - Hitting
92.5
Exit Velocity (max)
82.2
Exit Velocity (avg)
177
Distance (avg)
303
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Illinois Rising Stars Games
May 23, 2024
Trackman - Hitting
81.9
Exit Velocity (max)
76.2
Exit Velocity (avg)
175
Distance (avg)
302
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Lockport Rising Stars ID
Apr 10, 2024
Trackman - Hitting
85.9
Exit Velocity (max)
68.8
Exit Velocity (avg)
111
Distance (avg)
261
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.7
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.
83.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
74.0
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.
Preseason All-State: Underclass (Invite-Only)
Mar 1, 2025
Blast - Hitting
21.7
Hand Speed (max)
20.2
Hand Speed (avg)
83.8
Bat Speed (max)
74.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.74
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.89
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.91
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.
Vizual Edge
Pitch Ai
Notes
News
- 2025 Preseason All-State, Underclass: Statistical Analysis - Mar 4, 2025
- Illinois Rising Stars Games: Player Analysis - Jul 3, 2024
- Lockport Rising Stars ID: Player Analysis - Jul 2, 2024
- PBT Youth World Series at The Rock: Takeaways - Jun 4, 2024
- Illinois Rising Stars Games: Takeaways - May 30, 2024
- Lockport Rising Stars ID: Takeaways & Statistical Analysis - May 2, 2024
Comments
Draft Reports
Contact
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Physical
2025
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: SS/OF
Body: 5-10, 134-pounds. Athletic, high-waisted, trim frame with room to fill out.
Hit: SH. LH: Wide base, hangs foot into a medium stride. RH: Wider base, shifts weight onto back leg, short leg lift stride, linear lower-half. LH: Loose, balanced swing, flat path. RH: Works to stay on top of the ball, easy and balanced through impact.
Power: 82 max exit velocity, averaged 76.2 mph. 302’ max distance.
Arm: RH. INF - 79 mph. OF - 81 mph. OF: Plays with life, accurate, high 3/4 release. INF: Life out of the hand, plays with backspin, low 3/4 slot.
Defense: OF: Athletic mover, one-hand gather out front. INF: Active footwork, two-hand gather out front, secures the ball into body, moves well laterally.
Run: 7.40 runner in the 60.
MIF Mark Williams (Naperville Central, 2028) is another switch-hitting prospect that came away a winner from the day. He has an athletic swing from both sides, working with a loose and balanced operation. On the infield, he’s an athletic mover with active footwork, moving well laterally and also boasting steady hands.
Positional Profile: SS/OF
Body: 5-9, 130-pounds. High-waisted, trim frame.
Hit: SH. Wide base, minimal stride, simple. Same look from both sides of the plate. Short to the ball, quick, athletic hands. Same look from both sides of the plate.
Power: 86 max exit velocity, averaged 68.8 mph. 261’ max distance.
Arm: RH. INF - 79 mph. OF - 84 mph. OF: Clean out of the hand, throws have life and carry. INF: Short, whippy arm action, strong arm across.
Defense: OF: Attacks the ball in-stride, one-hand gather out front, athletic actions. INF: Clean actions, soft hands, fields ball to body, clean transfer.
Run: 7.34 runner in the 60.