Prep Baseball Report

CLASS OF 2026

RHP
SS

William
Grayson Jr.

Mount St. Mary (HS) • OK
6' 3" • 178LBS
R/R • 17yr 5mo
Travel Team: Artillery Tasis, Extra Effort 2026
2026 National

Rankings available to Premium Subscriber

Log In Subscribe to PBR Plus

2026 State

Rankings available to Premium Subscriber

Log In Subscribe to PBR Plus

Commitment

UNCOMMITTED
Player has made a commitment?
Tell us where

Videos

This Area is only available to PBR Premium Content Subscribers.

Best of Snapshot
Physical
Positional Tools Velos / Pop
TrackMan Hitting
Blast
TrackMan Pitching
Pitching Velos
Swift
News
Comments
Contact

Best Of Stats

Pitching

Fastball

88
Velocity (max)
7/25/24
85.8 - 87.4
Velo Range
7/24/24
2175
Spin Rate (avg)
7/24/24

Changeup

75.8 - 77.2
Velo Range
6/11/24
1847
Spin Rate (avg)
6/11/24

Curveball

76.9 - 79.4
Velo Range
6/11/24
2162
Spin Rate (avg)
6/13/23

Slider

77 - 80
Velo Range
7/25/24
2062
Spin Rate (avg)
6/13/23
Power
92.5
Exit Velocity (max)
6/11/24
79.3
Exit Velocity (avg)
6/13/23
302
Distance (max)
6/11/24
70
Sweet Spot %
6/13/23
Hitting
19.7
Hand Speed (max)
6/13/23
65.1
Bat Speed (max)
6/11/24
13.6
Rot. Acc (max)
6/11/24
22
Hard Hit %
6/11/24
Run
7.14
60
6/11/24
3.99
30-yd
6/11/24
1.75
10-yd
6/11/24
19.5
Run speed (max)
6/11/24
Defense
84
INF Velo
6/11/24
-
OF Velo
-
C Velo
-
Pop Time

Positional Tools

2024
2023
Infield Velocity
84.0
Home to First
4.7
Infield Velocity
80.0

Hitting

2024
2023
Exit Velocity Max
92.5
Exit Velocity Avg
78.0
Distance Max
302
Distance Avg
212
Launch Angle Avg
29.1
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
84.7
Exit Velocity Avg
79.3
Distance Max
298
Distance Avg
220
Launch Angle Avg
22.7
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Prospect Games: Underclass
Jun 11, 2024
Trackman - Hitting
92.5
Exit Velocity (max)
78.0
Exit Velocity (avg)
212
Distance (avg)
302
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Prospect Games: Underclass
Jun 13, 2023
Trackman - Hitting
84.7
Exit Velocity (max)
79.3
Exit Velocity (avg)
220
Distance (avg)
298
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %

Hitting

2024
2023
Hand Speed Max
19.6
Hand Speed Avg
18.7
Bat Speed Max
65.1
Bat Speed Avg
62.9
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
19.7
Hand Speed Avg
19.0
Bat Speed Max
62.1
Bat Speed Avg
58.6
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Top Prospect Games: Underclass
Jun 11, 2024
Blast - Hitting
19.6
Hand Speed (max)
18.7
Hand Speed (avg)
65.1
Bat Speed (max)
62.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Top Prospect Games: Underclass
Jun 13, 2023
Blast - Hitting
19.7
Hand Speed (max)
19.0
Hand Speed (avg)
62.1
Bat Speed (max)
58.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2024
2023
Fastball
Velocity Max
88.0
Fastball
Velocity Avg
85.8
Fastball
Spin Rate Avg
2143
Fastball
Spin Score Avg
25.0
Fastball
Total Movement Avg
Curveball
Velocity Avg
78.1
Curveball
Spin Rate Avg
1951
Curveball
Total Movement Avg
Changeup
Velocity Avg
76.5
Changeup
Spin Rate Avg
1847
Changeup
Total Movement Avg
Slider
Velocity Avg
78.5
Slider
Spin Rate Avg
2032
Slider
Total Movement Avg
Fastball
Velocity Max
83.0
Fastball
Velocity Avg
81.7
Fastball
Spin Rate Avg
2156
Fastball
Spin Score Avg
26.4
Fastball
Total Movement Avg
Curveball
Velocity Avg
69.4
Curveball
Spin Rate Avg
2162
Curveball
Total Movement Avg
Changeup
Velocity Avg
71.4
Changeup
Spin Rate Avg
1730
Changeup
Total Movement Avg
Slider
Velocity Avg
73.2
Slider
Spin Rate Avg
2062
Slider
Total Movement Avg
Future Games (Class of 2026/27)
Jul 24, 2024
Trackman - Fastball
88.0
Velocity (max)
85.8 - 87.4
Velo Range
85.6
Eff Velocity (avg)
2,285
Spin Rate (max)
2,175
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
79.9
Velocity (max)
77.5 - 79.5
Velo Range
77.6
Eff Velocity (avg)
2,134
Spin Rate (max)
2,032
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Top Prospect Games: Underclass
Jun 11, 2024
Trackman - Fastball
86.4
Velocity (max)
83.7 - 86.3
Velo Range
84.9
Eff Velocity (avg)
2,230
Spin Rate (max)
2,110
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
79.7
Velocity (max)
76.9 - 79.4
Velo Range
77.8
Eff Velocity (avg)
2,045
Spin Rate (max)
1,951
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
77.2
Velocity (max)
75.8 - 77.2
Velo Range
76.5
Eff Velocity (avg)
1,924
Spin Rate (max)
1,847
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Top Prospect Games: Underclass
Jun 13, 2023
Trackman - Fastball
83.0
Velocity (max)
80.8 - 82.5
Velo Range
82.8
Eff Velocity (avg)
2,236
Spin Rate (max)
2,156
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
69.9
Velocity (max)
69.0 - 69.9
Velo Range
70.2
Eff Velocity (avg)
2,198
Spin Rate (max)
2,162
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
74.5
Velocity (max)
72.6 - 74.1
Velo Range
74.5
Eff Velocity (avg)
2,076
Spin Rate (max)
2,062
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
71.7
Velocity (max)
71.1 - 71.7
Velo Range
72.6
Eff Velocity (avg)
1,761
Spin Rate (max)
1,730
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)

Pitch Scores

Pitching Velos

2024
2023
Fastball
Velocity Max
88.0
Fastball
Velocity Avg
85.5
Slider
Velocity Avg
78.5
Fastball
Velocity Max
83.0
Fastball
Velocity Avg
81.5
Curveball
Velocity Avg
71.5
Changeup
Velocity Avg
71.5
Future Games
Jul 25, 2024
Pitching
88
Max FB
84 - 87
FB
77 - 80
SL
Top Prospect Games: Underclass
Jun 13, 2023
Pitching
83
Max FB
81 - 82
FB
69 - 74
CB
71 - 72
CH

Game Performance

2024
10 Yard Dash
1.75
30 Yard Dash
3.99
60 Yard Dash
7.14
Top Speed (MPH)
Top Prospect Games: Underclass
Jun 11, 2024
Swift
1.75
10-yd
3.99
30-yd
7.14
60-yd
19.5
Run speed (max)

Visual Edge

Pitch Ai

Notes

Comments

6/13/23
William Grayson Jr, Mount Saint Mary Catholic (OK), 2026
Positional Profile: SS/RHP
Body: 6-2, 166-pounds.
Delivery: Short and easy footwork around the rubber. Slow and methodical pace working to a mid height balance point. Strong weight stack onto the back leg with slight lean back in the posture at the top of the delivery. Works from the first base side of the rubber and strides slightly closed creating tough angles on hitters. Maintains balance and athleticism well throughout the delivery.
Arm Action: RH. High 3/4 arm slot with a clean arm action.
FB: T83, 81-82 mph. Strong riding life through the zone with some downward tilting action. T2236, 2156 average rpm.
CB: 69-74 mph. Short and tight shape with some late downward depth. T2198, 2105 average rpm.
CH: 71-72 mph. Strong arm side fading action and kills spin efficiently. T1761, 1730 average rpm.
ATH: Infinity runner in the 60. .
6/13/23

Body: 6-2, 166-pounds.
Hit: RHH. Starts with a neutral stance and athletic psoture. Hands get set below shoulder height with a tipped barrel angle. Short and simple stride to slightly closed position. Slight scissor kick action with the lower half. Hnads work short and direct to the ball. Level bat path and a line drive approach. Shows some strength at contact. Maintains balance well through the swing.58.6 mph bat speed with 9 G’s of rotational acceleration.
Power: 85 max exit velocity, averaged 79 mph. 298' max distance.
Arm: RH. INF-80 mph. 3/4 arm slot with a short and loose arm action.
Defense: Attacks the ball with lateral routes and smooth rhythm. Strong body control throughout the fielding process. Shows strong glove action and soft hands. Strong lateral range and ability to field the ball on the move.
ATH: Infinity runner in the 60. .

Draft Reports

Contact

Premium Content Area

To unlock contact information, you need to purchase a ScoutPLUS subscription.

Purchase Subscription
OR
Login

Twitter

Physical

2024
Grip Strgth (LH)
Grip Strgth (RH)
Top Prospect Games: Underclass
Jun 11, 2024
Physical - Athlete
6' 3"
Ht
173.9
Wt
Grip Strgth (RH)
Grip Strgth (LH)