@MasonJohnston38 
83.8
Velocity (max)
6/15/22
CLASS OF 2023
RHP
SS
Mason
Johnston
Berwick (HS) • LA
5' 11" • 170LBS
R/R • 20yr 5mo
Travel Team: Louisiana Knights
Rankings
2023 National
Rankings available to Premium Subscriber
2023 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
81.5 - 83.1
Velo Range
6/15/22
2007
Spin Rate (avg)
6/15/22
Changeup
71.5 - 74.4
Velo Range
6/15/22
1681
Spin Rate (avg)
6/15/22
Curveball
70 - 74
Velo Range
6/24/21
1946
Spin Rate (avg)
6/15/22
Slider
66 - 69
Velo Range
1/18/20
-
Spin Rate (avg)
77
Exit Velocity (max)
1/18/20
-
Exit Velocity (avg)
-
Distance (max)
-
Sweet Spot %
7.06
60-yd
1/18/20
-
30-yd
-
10-yd
-
Run speed (max)
76
INF Velo
1/18/20
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2020
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.06
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
76.0
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.
10.9
Hitting
Hitting
Pitching
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.3
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).
2007
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.
24.4
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).
71.2
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).
1946
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).
72.9
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).
1681
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).
Top Prospect Games (Invite-Only)
Jun 15, 2022
Trackman - Fastball
83.8
Velocity (max)
81.5 - 83.1
Velo Range
81.7
Eff Velocity (avg)
2,067
Spin Rate (max)
2,007
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
72.7
Velocity (max)
69.6 - 72.7
Velo Range
69.5
Eff Velocity (avg)
2,067
Spin Rate (max)
1,946
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
74.4
Velocity (max)
71.5 - 74.4
Velo Range
73.5
Eff Velocity (avg)
1,697
Spin Rate (max)
1,681
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
Pitching Velos
2021
2020
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.0
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)
75.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.0
Slider
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
Vizual Edge
Pitch Ai
2022
Arm Speed
The maximum speed, in the direction of home plate, that the wrist is traveling. Measured in meters per second (m/s)
Arm Slot
Angle of the forearm relative to the ground between maximum external rotation (MER) and ball release (BR). Which can be a powerful player comparison metric, delivered in degrees.
Knee Extension Velo
The angular velocity of the front knee straightening after foot plant, which provides indicators of velocity potential. Measured in degrees per second.
Deception
The amount of time that the ball is visible to the hitter, after the instant of front foot strike. Measures in milliseconds.
Hip-Shoulder Separation
The difference in angle of between the hips and shoulders, occurring close to the foot plant. Measured in degrees.
Top Prospect Games (Invite-Only)
Jun 15, 2022
ProPlayAI - Foot Plant
Elbow Flexion (avg)
Shoulder Abduction (avg)
Hip Shoulder Seperation (avg)
ProPlayAI - MER
External Rotation (avg)
Stride Length (avg)
Horizontal Abduction (avg)
ProPlayAI - Release
Arm Speed (max)
Arm Speed (avg)
Knee Extension Velocity (max)
Knee Extension Velocity (avg)
Knee Flexion (avg)
Arm Slot (avg)
Lateral Trunk Tilt (avg)
Arm Path (avg)
Deception (avg)
Torque (avg)
Efficiency (avg)
Sequencing (avg)
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: RHP/SS
Body: 5-11, 170-pounds. Athletic
Delivery: Starts on 1B side and stays there throughout a slower and controlled delivery.
Arm Action: RH. Brings ball down out of glove and straight back up, releasing from a high 3/4 slot.
FB: T83.8, 81.5-83.1 mph. Average spin with some slight cutting action at times T2067, 2007 average rpm.
CB: 69.6-72.7 mph. "11-5" in shape with average spin and depth T2066, 1945 average rpm.
CH: 71.5-74.4 mph. Some fade and sink T1696, 1680 average rpm.
Athletic 5-foot-10, 140-pound frame with room to add strength. Right-handed pitcher with an fluid, on-line delivery, level shoulders with low effort. Medium arm action into a slot with solid arm speed. Pitched 75-78 mph with arm side run and solid command of the zone with the fastball. Flashed a breaking ball with 11/5 shape and solid depth at 66-68 mph. Changeup is a solid pitch, firm with quality arm side fade at 72-74 mph.