22.9
Hand Speed (max)
5/29/21
CLASS OF 2024
OF
OF
AJ
Sierra
Lakeland Senior (HS) • FL
6' 1" • 195LBS
R/R • 17yr 8mo
Travel Team: FTB Falcons - Brooklyn, NY
6' 1" • 195LBS
R/R • 17yr 8mo
Travel Team: FTB Falcons - Brooklyn, NY
Rankings
2024 National
Rankings available to Premium Subscriber
2024 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
71
Bat Speed (max)
5/29/21
19.2
Rot. Acc (max)
10/30/21
-
Hard Hit %
93.9
Exit Velocity (max)
5/29/21
85
Exit Velocity (avg)
10/30/21
354
Distance (max)
5/29/21
61
Sweet Spot %
10/30/21
6.71
60
10/30/21
-
30-yd
-
10-yd
-
Run speed (max)
-
INF Velo
93
OF Velo
9/25/23
-
C Velo
-
Pop Time
Fastball
74
Velocity (max)
4/24/21
-
Velo Range
-
Spin Rate (avg)
Positional Tools
2023
2022
2021
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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).
93.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.81
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.
13.6
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.71
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
89.0
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.
14.0
Hitting
2022
2021
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
92.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
338
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
130
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
6.7
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).
93.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
354
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
223
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
31.0
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.
2022 Junior State Games (Invite-Only)
Oct 15, 2022
Trackman - Hitting
92.3
Exit Velocity (max)
83.6
Exit Velocity (avg)
130
Distance (avg)
338
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2021 Sophomore State Games
Oct 30, 2021
Trackman - Hitting
93.9
Exit Velocity (max)
85.0
Exit Velocity (avg)
235
Distance (avg)
354
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2021 Sunshine State Classic
Jun 16, 2021
Trackman - Hitting
88.9
Exit Velocity (max)
75.3
Exit Velocity (avg)
219
Distance (avg)
337
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Southeast Summer Kickoff
May 29, 2021
Trackman - Hitting
93.9
Exit Velocity (max)
78.9
Exit Velocity (avg)
216
Distance (avg)
354
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2022
2021
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.
19.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
62.2
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.
22.9
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
71.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
62.8
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.
2022 Junior State Games (Invite-Only)
Oct 15, 2022
Blast - Hitting
20.0
Hand Speed (max)
19.0
Hand Speed (avg)
67.7
Bat Speed (max)
62.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2021 Sophomore State Games
Oct 30, 2021
Blast - Hitting
21.8
Hand Speed (max)
21.1
Hand Speed (avg)
68.6
Bat Speed (max)
64.1
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2021 Sunshine State Classic
Jun 16, 2021
Blast - Hitting
21.8
Hand Speed (max)
21.0
Hand Speed (avg)
66.7
Bat Speed (max)
61.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Southeast Summer Kickoff
May 29, 2021
Blast - Hitting
22.9
Hand Speed (max)
21.2
Hand Speed (avg)
71.0
Bat Speed (max)
63.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
2021
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
74.0
Game Performance
2022
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.71
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.86
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.81
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.
2022 Junior State Games (Invite-Only)
Oct 15, 2022
Swift
1.71
10-yd
3.86
30-yd
6.81
60-yd
20.8
Run speed (max)
1.24
RSi (max)
1.24
RSi (avg)
1,988
Jump Power (max)
Visual Edge
2022
2021
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.
72.11
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.
65.77
Pitch Ai
Notes
News
- 2022 Junior State Games: Quick Hits - Oct 26, 2022
- 2022 Junior State Games: Blast Leaderboard - Oct 19, 2022
- 2022 Junior State Games: Trackman Leaderboard - Oct 18, 2022
- 2022 Junior State Games: Statistical Analysis - Oct 17, 2022
- 2022 Junior State Games: East/North Preview - Oct 14, 2022
- Uncommitted Spotlight: 2024 AJ Sierra - Jun 20, 2022
- Best of 2021: Outfield Velo - Jan 5, 2022
- Best of 2021: 60 Yard Dash - Jan 3, 2022
- 2021 Sophomore State Games: East Region Analysis - Dec 10, 2021
- 2021 Sophomore State Games: Statistical Analysis - Nov 1, 2021
- 2021 Sophomore State Games: East Preview - Oct 29, 2021
- Summer Standouts: East Region 2024s - Sep 2, 2021
- Sunshine State Classic: Player Analysis - Jul 16, 2021
- PBR Florida Summer Kickoffs: Player Analysis - Jun 17, 2021
- Sunshine State Classic: Statistical Analysis - Jun 17, 2021
- Southeast Summer Kickoff: Statistical Analysis - May 31, 2021
- Junior Future Series Spring Classic Standouts - Apr 29, 2021
Comments
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Positional Profile: OF/OF
Body: 6-1, 195-pounds. Physical frame.
Hits: RHH. Balanced, athletic setup. Level to uphill path.
Power: 92 max exit velocity, averaged 83.6 MPH. 338' max distance.
Arm: RH. Fluid, 3/4 arm action.
Defense: Quick and athletic footwork. Mature action in outfield.
Run: 6.81 runner in the 60.
5-foot-11, 190-pound physical athletic build. Solid during batting practice, Sierra had an exit velocity of 94 mph. (64.14 mph bat speed average). (21.07 mph hand speed average). Starts in a balanced athletic stance with a slow rhythmic load, then uses a short stride. Has a short swing plane, electric bat speed and high finish. Found multiple barrels with tons of loud contact. Aggressive gap to gap approach. Athletic from the outfield, he showed plus arm strength by making throws to the infield at velocities up to 89 mph;shows a quick clean exchange, consistent hands, and athletic feet. Laterally, movements were athletic and fielded the ball out front. Had a long arm action and an-over-the-top slot with consistent accuracy to the bag. Showed off his speed at the event, running a swift 6.71 60-yard dash.
5-foot-11, 182-pound lean athletic build. Confident at the plate, the right-handed hitter had a max exit velocity of 89 mph. (61.03 mph bat speed average). (21.05 mph hand speed average). Began in a balanced athletic stance with a smooth compact load, then used a controlled small leg kick stride. Bat speed is above average, uses an uphill loose swing plane and high finish. During his round he produced loud contact and found lots of barrels. Aggressive approach. Solid in the outfield, he showed the ability to make throws to the bases at 80 mph; has sure consistent hands, consistent rhythmic feet, and a quick clean exchange. Fields the ball out front, movements laterally were athletic. From an-over-the-top slot, showed consistent accuracy to the bag with a longer loose arm action. The athletic recruit showcased his speed with a sub-seven 60 time of 6.85.
Position: OF/OF
Body: 5-foot-11, 182-pound solid physical frame.
Hit: (RHH) Started in an athletic balanced stance with a slow controlled load, then used a leg kick. Above average bat speed. High finish, short loose swing. Gap to gap approach.
Power: 94 mph exit velocity, average 78.88 mph. 63.19 mph bat speed average. 21.25 mph hand speed average. Top 2 velo of the day.
Defense: (OF) Twitchy hands, smooth rhythmic footwork, clean natural exchange. Projectable. Movements laterally were athletic and he fields the ball to the side.
Arm: 76 mph outfield velocity. Longer arm action, an-over-the-top slot, decent accuracy.
Speed: 7.00 (60-yard).