@masonellison17_ 
84.3
Velocity (max)
6/17/25
CLASS OF 2027
RHP
3B
Mason
Ellison
Trinity (HS) • NH
6' 0" • 190LBS
R/R • 17yr 3mo
Travel Team: New Hampshire Prospects
6' 0" • 190LBS
R/R • 17yr 3mo
Travel Team: New Hampshire Prospects
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
80.8 - 83.2
Velo Range
6/17/25
2064
Spin Rate (avg)
6/17/25
Changeup
74.3 - 75.4
Velo Range
6/17/25
2031
Spin Rate (avg)
6/17/25
Curveball
70.6 - 73.3
Velo Range
6/17/25
2408
Spin Rate (avg)
6/17/25
Pitching
2025
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.0
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).
2064
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.
25.2
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).
72.0
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).
2408
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).
74.8
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).
2031
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).
2025 New England Top Prospect Games 6.17.25 (Invite Only)
Jun 17, 2025
Trackman - Fastball
84.3
Velocity (max)
80.8 - 83.2
Velo Range
80.7
Eff Velocity (avg)
2,196
Spin Rate (max)
2,064
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
74.4
Velocity (max)
70.6 - 73.3
Velo Range
70.7
Eff Velocity (avg)
2,766
Spin Rate (max)
2,408
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
75.4
Velocity (max)
74.3 - 75.4
Velo Range
73.8
Eff Velocity (avg)
2,063
Spin Rate (max)
2,031
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2025
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.
Game Performance
Notes
News
Comments
6/17/25
6-foot, 190-pound right-handed pitcher. On the mound, the fastball sat 83-84 mph with more in the tank. The command was solid throughout the event. The spin pitch was 72-73 mph and very good. The pitch has the makings of being a good one down the road. The changeup is a developing pitch for him, sitting 74-75 mph. The delivery is solid in tempo and there is effort in the delivery. The slot is 3/4 and he is aggressive with his pitches.
Draft Reports
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