81
Velocity (max)
1/28/24
CLASS OF 2027
RHP
3B
Grant
Alderson
Fayetteville (HS) • AR
6' 2" • 147LBS
R/R • 15yr 9mo
Travel Team: Midland Midwest National
6' 2" • 147LBSR/R • 15yr 9mo
Travel Team: Midland Midwest National
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
79 - 81
Velo Range
1/28/24
1934
Spin Rate (avg)
1/28/24
Curveball
66 - 68
Velo Range
1/28/24
2204
Spin Rate (avg)
1/28/24
Slider
69 - 71
Velo Range
1/28/24
2101
Spin Rate (avg)
1/28/24
79.2
Exit Velocity (max)
6/06/23
72.5
Exit Velocity (avg)
6/06/23
226
Distance (max)
6/06/23
55
Sweet Spot %
6/06/23
20.6
Hand Speed (max)
6/06/23
59.7
Bat Speed (max)
6/06/23
10.5
Rot. Acc (max)
6/06/23
-
Hard Hit %
7.87
60
6/06/23
4.33
30-yd
6/06/23
1.84
10-yd
6/06/23
17.3
Run speed (max)
6/06/23
75
INF Velo
6/06/23
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2023
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.87
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
75.0
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.
10.1
Hitting
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
79.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
72.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
226
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
142
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.1
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.
Top Prospect Games: Underclass (Invite-Only)
Jun 6, 2023
Trackman - Hitting
79.2
Exit Velocity (max)
72.5
Exit Velocity (avg)
142
Distance (avg)
226
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.6
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
59.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
57.4
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.
Top Prospect Games: Underclass (Invite-Only)
Jun 6, 2023
Blast - Hitting
20.6
Hand Speed (max)
19.2
Hand Speed (avg)
59.7
Bat Speed (max)
57.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2023
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).
79.7
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).
1934
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.
24.3
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).
66.9
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).
2204
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.0
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).
2101
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.5
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).
1820
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.
23.8
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).
62.9
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).
2084
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).
Northwest Arkansas Preseason ID
Jan 28, 2024
Trackman - Fastball
81.0
Velocity (max)
78.8 - 80.6
Velo Range
77.3
Eff Velocity (avg)
2,018
Spin Rate (max)
1,934
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
68.1
Velocity (max)
66.1 - 67.7
Velo Range
64.7
Eff Velocity (avg)
2,274
Spin Rate (max)
2,204
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
70.8
Velocity (max)
69.2 - 70.7
Velo Range
68.0
Eff Velocity (avg)
2,166
Spin Rate (max)
2,101
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Top Prospect Games: Underclass (Invite-Only)
Jun 6, 2023
Trackman - Fastball
78.1
Velocity (max)
75.2 - 77.8
Velo Range
71.5
Eff Velocity (avg)
1,926
Spin Rate (max)
1,820
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
63.5
Velocity (max)
62.6 - 63.2
Velo Range
57.8
Eff Velocity (avg)
2,206
Spin Rate (max)
2,084
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
2024
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.
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Northwest Arkansas Preseason ID
Jan 28, 2024
Pitch Scores - Fastball
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+
Pitch Scores - Slider
Hammer+
Sweep+
Pitching Velos
2024
2023
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)
80.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
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)
76.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.0
Game Performance
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.84
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.33
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.87
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
RSi
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Top Prospect Games: Underclass (Invite-Only)
Jun 6, 2023
Swift
1.84
10-yd
4.33
30-yd
7.87
60-yd
17.3
Run speed (max)
1.28
RSi (max)
1.28
RSi (avg)
1,055
Jump Power (max)
22.2
Jump Height (max)
22.2
Jump Height (avg)
Visual Edge
2023
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
74.93
Pitch Ai
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Grant Alderson, Fayetteville (AR), 2027
Positional Profile: RHP/3B
Body: 6-1, 150-pounds. Lean frame with room to fill out.
Hit: RHH. Narrow base, load back into back leg, hand thrythm to barrl set, back knee rotates apst contact, front foot loses stability in the ground. Slight uphill path to the front with high finish.
Power: 79 max exit velocity, averaged 73 mph. 226' max distance. Gap to gap line drive power.
Arm: RH. INF-75 mph. 3/4 slot with average carry. Longer take away to release.
Defense: Glove pat to glove presentation, active feet, fingers up to field, glove pat to throw.
ATH: 7.87 runner in the 60. 1.84 and 4.33 in the 10 and 30 yard splits. 22.20 max vertical.
Vizual Edge: 74.93 Edge Score
Positional Profile: RHP/3B
Body: 6-1, 150-pounds. Lean frame with room to fill out.
Delivery: Rhythmic delivery, big leck lift to kick out to land foot, open toe heel land, high front arm after hand break.
Arm Action: RH. Long arm swing with high 3/4 slot.
FB: T78, 75-78 mph. Sink to arm side with some early fade, glove side stays straight with occasional cut. T1926, 1820 average rpm.
CB: 63-63 mph. Early action out of hand with gradual 11-5 break. T2206, 2084 average rpm.
ATH: 7.87 runner in the 60. 1.84 and 4.33 10 and 30 yard splits. 22.20 max vertical.
Positional Profile: RHP/3B
Body: 6-1, 150-pounds. Lean frame with room to fill out.
Hit: RHH. Narrow base, load back into back leg, hand thrythm to barrl set, back knee rotates apst contact, front foot loses stability in the ground. Slight uphill path to the front with high finish.
Power: 79 max exit velocity, averaged 73 mph. 226' max distance. Gap to gap line drive power.
Arm: RH. INF-75 mph. 3/4 slot with average carry. Longer take away to release.
Defense: Glove pat to glove presentation, active feet, fingers up to field, glove pat to throw.
ATH: 7.87 runner in the 60. 1.84 and 4.33 in the 10 and 30 yard splits. 22.20 max vertical.
Vizual Edge: 74.93 Edge Score
Grant Alderson, Fayetteville (AR), 2027
Positional Profile: RHP/3B
Body: 6-1, 150-pounds. Lean frame with room to fill out.
Delivery: Rhythmic delivery, big leck lift to kick out to land foot, open toe heel land, high front arm after hand break.
Arm Action: RH. Long arm swing with high 3/4 slot.
FB: T78, 75-78 mph. Sink to arm side with some early fade, glove side stays straight with occasional cut. T1926, 1820 average rpm.
CB: 63-63 mph. Early action out of hand with gradual 11-5 break. T2206, 2084 average rpm.
ATH: 7.87 runner in the 60. 1.84 and 4.33 10 and 30 yard splits. 22.20 max vertical.