@alex_marx11 23.2
Hand Speed (max)
2/21/26
CLASS OF 2029
SS
RHP
Alex
Marx
The Fessenden (HS) • MA
6' 4" • 175LBS
R/R • 15yr 9mo
Travel Team: Boston Prime
6' 4" • 175LBS
R/R • 15yr 9mo
Travel Team: Boston Prime
Rankings
2029 National
Rankings available to Premium Subscriber
2029 State
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
73.3
Bat Speed (max)
2/21/26
8.9
Rot. Acc (max)
2/21/26
40
Hard Hit %
2/21/26
96.2
Exit Velocity (max)
2/21/26
89
Exit Velocity (avg)
2/21/26
336
Distance (max)
2/21/26
73
Sweet Spot %
2/21/26
7.48
60-yd
3/09/25
-
30-yd
-
10-yd
-
Run speed (max)
81
INF Velo
2/21/26
-
OF Velo
-
C Velo
-
Pop Time
Fastball
88
Velocity (max)
2/21/26
86 - 88
Velo Range
2/21/26
2076
Spin Rate (avg)
2/21/26
Changeup
79.2 - 79.3
Velo Range
2/21/26
1607
Spin Rate (avg)
2/21/26
Curveball
66.4 - 68.2
Velo Range
3/09/25
1873
Spin Rate (avg)
3/09/25
Slider
73.7 - 74.3
Velo Range
2/21/26
1940
Spin Rate (avg)
2/21/26
Positional Tools
2026
2025
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
81.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
73.0
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).
96.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
89.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
336
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
254
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.9647
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).
85.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
77.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
294
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
119
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
8.4553
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.
Scout Day: Boston Prime 2.21.26
Feb 21, 2026
Trackman - Hitting
96.2
Exit Velocity (max)
89.0
Exit Velocity (avg)
254
Distance (avg)
336
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scout Day: Boston Prime 3.9.25
Mar 9, 2025
Trackman - Hitting
85.4
Exit Velocity (max)
77.2
Exit Velocity (avg)
119
Distance (avg)
294
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.
23.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
73.3
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
70.5
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.
20.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
65.4
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
61.9
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: Boston Prime 2.21.26
Feb 21, 2026
Blast - Hitting
23.2
Hand Speed (max)
22.1
Hand Speed (avg)
73.3
Bat Speed (max)
70.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Scout Day: Boston Prime 3.9.25
Mar 9, 2025
Blast - Hitting
20.7
Hand Speed (max)
18.5
Hand Speed (avg)
65.4
Bat Speed (max)
61.9
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).
87.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
87.0
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).
2076
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.
23.9
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).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.3
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).
1607
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.0
Slider
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).
1940
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.6
Sinker
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).
1982
Sinker
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).
76.3
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).
1974
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.
25.9
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).
67.3
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).
1873
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).
Scout Day: Boston Prime 2.21.26
Feb 21, 2026
Trackman - Fastball
87.9
Velocity (max)
86.4 - 87.6
Velo Range
88.5
Eff Velocity (avg)
2,170
Spin Rate (max)
2,076
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
74.3
Velocity (max)
73.7 - 74.3
Velo Range
75.2
Eff Velocity (avg)
1,993
Spin Rate (max)
1,940
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
79.3
Velocity (max)
79.2 - 79.3
Velo Range
82.0
Eff Velocity (avg)
1,608
Spin Rate (max)
1,607
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Sinker
84.6
Velocity (max)
84.5 - 84.6
Velo Range
86.6
Eff Velocity (avg)
2,030
Spin Rate (max)
1,982
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: Boston Prime 3.9.25
Mar 9, 2025
Trackman - Fastball
77.7
Velocity (max)
75.0 - 77.7
Velo Range
77.6
Eff Velocity (avg)
2,036
Spin Rate (max)
1,974
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
68.2
Velocity (max)
66.4 - 68.2
Velo Range
67.9
Eff Velocity (avg)
1,912
Spin Rate (max)
1,873
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
88.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
87.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
79.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.0
Game Performance
2025
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.48
Vizual Edge
Pitch Ai
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Positional Profile: SS/RHP
Body: 6-3, 155-pounds.
Arm Action: RH
FB: T88, 86-88 mph. T2170, 2076 average rpm.
SL: 74-74 mph. T1993, 1940 average rpm.
CH: 79-79 mph. T1608, 1607 average rpm.
Positional Profile: SS/RHP
Body: 6-3, 155-pounds.
Hit: RHH
Power: 96 max exit velocity, averaged 89.0 mph. 336' max distance.
Arm: RH. INF-81 mph.