@Masonmarsee28 23.3
Hand Speed (max)
2/22/26
CLASS OF 2028
OF
LHP
Mason
Marsee
Allen Park (HS) • MI
5' 11" • 170LBS
L/L • 16yr 2mo
Travel Team: Michigan Bulls Gallagher 16u
5' 11" • 170LBS
L/L • 16yr 2mo
Travel Team: Michigan Bulls Gallagher 16u
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
89.2
Bat Speed (max)
2/22/26
19.9
Rot. Acc (max)
2/01/26
60
Hard Hit %
2/22/26
94.9
Exit Velocity (max)
2/22/26
89.9
Exit Velocity (avg)
2/22/26
348
Distance (max)
6/15/26
58
Sweet Spot %
6/15/26
7.48
60-yd
6/15/26
4.20
30-yd
2/01/26
1.80
10-yd
2/01/26
18.9
Run speed (max)
6/15/26
-
INF Velo
86
OF Velo
2/22/26
-
C Velo
-
Pop Time
Fastball
81
Velocity (max)
2/22/26
80 - 81
Velo Range
6/15/26
2123
Spin Rate (avg)
2/22/26
Changeup
74.1 - 74.5
Velo Range
2/22/26
1579
Spin Rate (avg)
6/15/26
Curveball
66.7 - 69.3
Velo Range
6/15/26
2274
Spin Rate (avg)
2/22/26
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).
86.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
80.0
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).
94.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
86.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
348
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
206
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.1449
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).
86.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
223
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
101
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
6.5457
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.
2026 Michigan Top Prospect Games - Session 1 (Invite Only)
Jun 15, 2026
Trackman - Hitting
93.3
Exit Velocity (max)
84.0
Exit Velocity (avg)
225
Distance (avg)
348
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scout Day: Michigan Bulls 2.22.26
Feb 22, 2026
Trackman - Hitting
94.9
Exit Velocity (max)
89.9
Exit Velocity (avg)
207
Distance (avg)
333
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2026 Eastern Michigan Preseason All-State 1 (Invite-Only)
Feb 1, 2026
Trackman - Hitting
94.9
Exit Velocity (max)
86.5
Exit Velocity (avg)
182
Distance (avg)
322
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scout Day: Michigan Bulls 2.23.25
Feb 23, 2025
Trackman - Hitting
86.4
Exit Velocity (max)
79.2
Exit Velocity (avg)
101
Distance (avg)
223
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.
23.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
89.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
70.2
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.
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.
18.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
64.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
61.0
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.
Scout Day: Michigan Bulls 2.22.26
Feb 22, 2026
Blast - Hitting
23.3
Hand Speed (max)
19.6
Hand Speed (avg)
89.2
Bat Speed (max)
72.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2026 Eastern Michigan Preseason All-State 1 (Invite-Only)
Feb 1, 2026
Blast - Hitting
21.8
Hand Speed (max)
20.9
Hand Speed (avg)
68.8
Bat Speed (max)
66.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Scout Day: Michigan Bulls 2.23.25
Feb 23, 2025
Blast - Hitting
20.0
Hand Speed (max)
18.7
Hand Speed (avg)
64.2
Bat Speed (max)
61.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.2
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).
2095
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.
26.1
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).
67.9
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).
2242
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).
73.6
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).
1574
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.8
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).
2003
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.
26.1
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).
63.2
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).
1882
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).
67.5
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).
1379
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).
2026 Michigan Top Prospect Games - Session 1 (Invite Only)
Jun 15, 2026
Trackman - Fastball
80.5
Velocity (max)
79.5 - 80.5
Velo Range
78.7
Eff Velocity (avg)
2,176
Spin Rate (max)
2,050
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
69.3
Velocity (max)
66.7 - 69.3
Velo Range
65.7
Eff Velocity (avg)
2,228
Spin Rate (max)
2,176
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
74.3
Velocity (max)
72.2 - 74.1
Velo Range
72.3
Eff Velocity (avg)
1,665
Spin Rate (max)
1,579
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Scout Day: Michigan Bulls 2.22.26
Feb 22, 2026
Trackman - Fastball
81.0
Velocity (max)
79.7 - 80.9
Velo Range
78.5
Eff Velocity (avg)
2,186
Spin Rate (max)
2,123
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
68.6
Velocity (max)
67.2 - 68.6
Velo Range
66.4
Eff Velocity (avg)
2,361
Spin Rate (max)
2,274
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
74.6
Velocity (max)
74.1 - 74.5
Velo Range
73.3
Eff Velocity (avg)
1,643
Spin Rate (max)
1,565
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Scout Day: Michigan Bulls 2.23.25
Feb 23, 2025
Trackman - Fastball
77.7
Velocity (max)
76.0 - 77.6
Velo Range
74.5
Eff Velocity (avg)
2,127
Spin Rate (max)
2,003
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
63.6
Velocity (max)
62.8 - 63.6
Velo Range
61.6
Eff Velocity (avg)
1,910
Spin Rate (max)
1,882
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
69.0
Velocity (max)
66.9 - 68.5
Velo Range
66.3
Eff Velocity (avg)
1,425
Spin Rate (max)
1,379
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2026
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2026
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
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)
68.0
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
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
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)
71.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
59.8
Game Performance
2026
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.85
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.22
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.48
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
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Positional Profile: OF/LHP
Body: 5-11, 170-pounds.
Arm Action: LH
FB: T81, 80-81 mph. T2176, 2050 average rpm.
CB: 67-69 mph. T2228, 2176 average rpm.
CH: 72-74 mph. T1665, 1579 average rpm.
ATH: 7.48 runner in the 60. 1.85 and 4.22 in the 10 and 30 yard splits.
Positional Profile: OF/LHP
Body: 5-11, 170-pounds.
Hit: LHH
Power: 93 max exit velocity, averaged 84.0 mph. 348' max distance.
Arm: LH. OF-85 mph.
ATH: 7.48 runner in the 60. 1.85 and 4.22 in the 10 and 30 yard splits.
Positional Profile: OF/LHP
Body: 5-11, 165-pounds.
Hit: LHH
Arm: LH. OF-83 mph.