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LJ Macias – Player Evaluation Report – TopVelocity.ai
LJ Macias

LJ Macias

USA 20 years old Born Feb 18, 2006 Eval: Oct 8, 2022
RHP TopVelocity Evaluation
74
Velocity
5'10"
Height
217
Weight
🤖

AI Velocity Analysis

Machine learning prediction based on 1,535 elite athletes

Camp Velocity
74
mph
AI Prediction
75
mph
Based on physical metrics
Difference
1.5
mph
Below prediction
Proficiency
34
%ile
Mechanics efficiency
💡
What this means: Below average mechanics - significant improvement potential

💪 Athletic Variables to Improve

Physical metrics that directly impact velocity. Focus on these for maximum gains.

Broad Jump +2.1 mph
Current 86.0" 17%ile
Goal 96.0" 47%ile
Lateral Broad Jump (Combined) +2.0 mph
Current 144.0" 17%ile
Goal 154.0" 47%ile
Left Grip +1.8 mph
Current 110.0 lbs 58%ile
Goal 125.0 lbs 88%ile
Vertical Jump 225 +1.8 mph
Current 20.0" 50%ile
Goal 23.0" 80%ile
Right Grip +1.8 mph
Current 105.0 lbs 44%ile
Goal 118.9 lbs 74%ile
Vertical Jump +1.8 mph
Current 24.0" 29%ile
Goal 26.0" 59%ile
10-Yard Sprint +1.5 mph
Current 1.790s 15%ile
Goal 1.680s 45%ile
Total Body Strength +1.4 mph
Current 370.0 lbs 37%ile
Goal 440.0 lbs 67%ile

🎯 Biomechanic Variables to Improve

Motion capture metrics from your throwing mechanics analysis.

Trunk Rotation Speed @ FFS +1.9 mph
Current 511.0°/s 38%ile
Goal 618.0°/s 68%ile
Trunk Flexion @ Ball Release +1.3 mph
Current 21.0° 24%ile
Goal 30.3° 54%ile
Arm External Rotation @ MER +1.2 mph
Current 148.0° 18%ile
Goal 184.0° 48%ile
Total Potential Velocity Gain: +18.6 mph → Target: 90 mph
✓ Target of 90 mph is achievable!
You need +16.0 mph to reach your target.
Improving to 90th percentile in the metrics above can provide +18.6 mph.
🎖️

TopVelocity Ranking

Based on the TopVelocity Evaluation System

Current Rank
Unranked
TopV Pro 0/16 metrics
Level 3 0/16 metrics
Level 2 0/16 metrics
Level 1 2/16 metrics
Vertical Jump 24.0 / ≥25.0
Broad Jump 86.0 / ≥102.0
10 Yard Sprint 1.8 / ≤1.8
Total Body Strength 370.0 / ≥500.0
Right Hip Internal Rotation 28.0 / ≥30.0
Left Hip Internal Rotation 26.0 / ≥30.0
Right Hip Extension 10.0 / ≥15.0
Left Hip Extension 10.0 / ≥15.0
Right Hip Flexion 70.0 / ≥80.0
Left Hip Flexion 70.0 / ≥80.0
Right Hip Abduction 35.0 / ≥45.0
Left Hip Abduction 35.0 / ≥45.0
Right Trunk Rotation 55.0 / ≥65.0
Left Trunk Rotation 50.0 / ≥65.0
Right Dorsiflexion 10.0 / ≥10.0
Left Dorsiflexion 5.0 / ≥10.0
📊 Performance Scores (Percentile)
🔄
23
Mobility
💪
45
Shoulder
37
Power
⚖️
39
Balance
🎯
53
Mechanics
🏆
39
Overall
📏

Anthropometric

3 metrics measured

59
Overall
70.0 in
in
Body Height
25th Percentile
Elite (90th): 75.0 in
Difference: -5.0 in
217 lbs
lbs
Body Weight
90th Percentile
Elite (90th): 216 lbs
Difference: ✓ Elite
73.0 in
in
Wing Span
62th Percentile
Elite (90th): 76.0 in
Difference: -3.0 in
🔄

Mobility

23 metrics measured

23
Overall
10 °
°
Right Dorsiflexion
50th Percentile
Elite (90th): 19 °
Difference: -9 °
5 °
°
Left Dorsiflexion
5th Percentile
Elite (90th): 18 °
Difference: -13 °
55 °
°
Right Plantar Flexion
25th Percentile
Elite (90th): 75 °
Difference: -20 °
50 °
°
Left Plantar Flexion
10th Percentile
Elite (90th): 75 °
Difference: -25 °
28 °
°
Right Hip Internal Rotation
45th Percentile
Elite (90th): 40 °
Difference: -12 °
26 °
°
Left Hip Internal Rotation
30th Percentile
Elite (90th): 40 °
Difference: -14 °
30 °
°
Right Hip External Rotation
10th Percentile
Elite (90th): 54 °
Difference: -24 °
30 °
°
Left Hip External Rotation
10th Percentile
Elite (90th): 50 °
Difference: -20 °
10 °
°
Right Hip Extension
5th Percentile
Elite (90th): 25 °
Difference: -15 °
10 °
°
Left Hip Extension
5th Percentile
Elite (90th): 25 °
Difference: -15 °
70 °
°
Right Hip Flexion
19th Percentile
Elite (90th): 95 °
Difference: -25 °
70 °
°
Left Hip Flexion
19th Percentile
Elite (90th): 95 °
Difference: -25 °
35 °
°
Right Hip Abduction
5th Percentile
Elite (90th): 51 °
Difference: -16 °
35 °
°
Left Hip Abduction
5th Percentile
Elite (90th): 52 °
Difference: -17 °
40 °
°
Right Shoulder Internal Rotation
30th Percentile
Elite (90th): 70 °
Difference: -30 °
61 °
°
Left Shoulder Internal Rotation
68th Percentile
Elite (90th): 80 °
Difference: -19 °
100 °
°
Right Shoulder External Rotation
37th Percentile
Elite (90th): 120 °
Difference: -20 °
100 °
°
Left Shoulder External Rotation
50th Percentile
Elite (90th): 115 °
Difference: -15 °
12 °
°
Right Shoulder Horizontal Abduction
3th Percentile
Elite (90th): 35 °
Difference: -23 °
20 °
°
Left Shoulder Horizontal Abduction
10th Percentile
Elite (90th): 35 °
Difference: -15 °
30 °
°
Trunk Extension
25th Percentile
Elite (90th): 50 °
Difference: -20 °
55 °
°
Right Trunk Rotation
25th Percentile
Elite (90th): 75 °
Difference: -20 °
50 °
°
Left Trunk Rotation
25th Percentile
Elite (90th): 70 °
Difference: -20 °
💪

Strength & Power

11 metrics measured

37
Overall
24.0 in
in
Vertical Jump
37th Percentile
Elite (90th): 30.0 in
Difference: -6.0 in
20.0 in
in
Vertical Jump 225lbs
50th Percentile
Elite (90th): 24.3 in
Difference: -4.3 in
86 in
in
Broad Jump
21th Percentile
Elite (90th): 108 in
Difference: -22 in
72 in
in
Right Lateral Broad Jump
25th Percentile
Elite (90th): 86 in
Difference: -14 in
72 in
in
Left Lateral Broad Jump
25th Percentile
Elite (90th): 86 in
Difference: -14 in
1.790 s
s
10 Yard Sprint
5th Percentile
Elite (90th): 1.880 s
Difference: -0.090 s
370 lbs
lbs
Total Body Strength
33th Percentile
Elite (90th): 600 lbs
Difference: -230 lbs
105 lbs
lbs
Right Grip Strength
47th Percentile
Elite (90th): 130 lbs
Difference: -25 lbs
110 lbs
lbs
Left Grip Strength
61th Percentile
Elite (90th): 130 lbs
Difference: -20 lbs
648 W
W
Right Rotational Power
51th Percentile
Elite (90th): 973 W
Difference: -325 W
571 W
W
Left Rotational Power
46th Percentile
Elite (90th): 909 W
Difference: -338 W
⚖️

Balance

4 metrics measured

39
Overall
31 in
in
Right Y-Balance 2
31th Percentile
Elite (90th): 47 in
Difference: -16 in
34 in
in
Right Y-Balance 3
55th Percentile
Elite (90th): 46 in
Difference: -12 in
32 in
in
Left Y-Balance 2
39th Percentile
Elite (90th): 46 in
Difference: -14 in
31 in
in
Left Y-Balance 3
31th Percentile
Elite (90th): 47 in
Difference: -16 in
🎯

Shoulder Strength

4 metrics measured

45
Overall
170 °
°
Right Shoulder Flexion
10th Percentile
Elite (90th): 209 °
Difference: -39 °
45 lbs
lbs
Right Shoulder Internal Rotation Strength
71th Percentile
Elite (90th): 55 lbs
Difference: -10 lbs
37 lbs
lbs
Right Shoulder External Rotation Strength
57th Percentile
Elite (90th): 49 lbs
Difference: -12 lbs
25 lbs
lbs
Scaption Right Back
40th Percentile
Elite (90th): 36 lbs
Difference: -11 lbs
⚙️

Mechanics

15 metrics measured

53
Overall
1 °
°
Hip Shoulder Separation Before Leg Drive
20th Percentile
Elite (90th): 21 °
Difference: -20 °
25 °
°
Trunk Flexion Before Leg Drive
50th Percentile
Elite (90th): 32 °
Difference: -7 °
69 °
°
Drive Knee Extension Before Leg Drive
86th Percentile
Elite (90th): 70 °
Difference: -1 °
52 °
°
Left Knee Flexion Front Foot Strike
65th Percentile
Elite (90th): 58 °
Difference: -6 °
320 °
°
Dominate Arm External Rotation Front Foot Strike
96th Percentile
Elite (90th): 97 °
Difference: ✓ Elite
24 °
°
Dominate Arm Shoulder Abduction Front Foot Strike
21th Percentile
Elite (90th): 45 °
Difference: -21 °
560 °/s
°/s
Pelvis Rotation Speed Front Foot Strike
73th Percentile
Elite (90th): 673 °/s
Difference: -113 °/s
511 °/s
°/s
Trunk Rotation Speed Front Foot Strike
51th Percentile
Elite (90th): 756 °/s
Difference: -245 °/s
148 °
°
Dominate Arm External Rotation Maximum External Rotation
23th Percentile
Elite (90th): 184 °
Difference: -36 °
-9 °
°
Dominate Arm Shoulder Abduction Maximum External Rotation
19th Percentile
Elite (90th): 9 °
Difference: -18 °
508 °/s
°/s
Dominate Arm External Rotation Speed Maximum External Rotation
45th Percentile
Elite (90th): 1238 °/s
Difference: -730 °/s
21 °
°
Trunk Flexion Ball Release
25th Percentile
Elite (90th): 42 °
Difference: -21 °
106 °
°
Dominate Arm Shoulder Abduction Ball Release
92th Percentile
Elite (90th): 105 °
Difference: ✓ Elite
16 °
°
Dominate Arm Shoulder Horizontal Abduction Ball Release
95th Percentile
Elite (90th): -2 °
Difference: ✓ Elite
37 °
°
Dominate Arm Extension Ball Release
27th Percentile
Elite (90th): 70 °
Difference: -33 °

Pitch Metrics

4 metrics measured

55
Overall
16 in
in
Vertical Break
50th Percentile
Elite (90th): 20 in
Difference: -4 in
11 in
in
Horizontal Break
75th Percentile
Elite (90th): 14 in
Difference: -3 in
2010 rpm
rpm
Total Spin
69th Percentile
Elite (90th): 2178 rpm
Difference: -168 rpm
74 mph
mph
Total Velocity
25th Percentile
Elite (90th): 86 mph
Difference: -12 mph
🎯

Brent Pourciau's Analysis

Road to 90

Personalized roadmap for LJ Macias

📊 The Overview
Alright LJ, here's your Road to 90. You're currently sitting at 74 mph, which means you need about 16.0 mph to hit your target of 90. Your profile is in the 39th percentile overall, which means there's significant room to grow. The good news? Every improvement you make will translate to velocity.
🤖 What The AI Analysis Tells Me
LJ, here's your reality check. You're at 74 mph, and the AI model predicted 75.5 mph based on your physical profile. You're pretty much right where you'd expect to be. This means you're efficiently converting your athleticism into velocity — no major mechanical leaks, but also room to grow both physically AND mechanically.
Your mechanics efficiency is at the 34th percentile — there's definitely room to improve here. This isn't bad news, though. It means that as we work on your movement patterns and delivery, you'll see velocity gains without even getting stronger. The 3X Pitching Velocity Program addresses exactly this.
🎯 Your Biggest Opportunities
Based on the AI analysis, here are your biggest opportunities to add velocity:
Broad Jump +2.1 mph
Current: 86.0" (17th %ile) Target: 96.0" (47th %ile)
Why it matters: Your broad jump is one of the best predictors of pitching velocity because it measures your ability to produce horizontal force — exactly what you need off the mound.
How we fix it: The Stride Excelerator is perfect for this — it trains the exact horizontal force production pattern you use in your delivery. Combine that with plyometrics, bounds, and the TopVelocity Sled for resisted stride work.
Lateral Broad Jump +2.0 mph
Current: 144.0" (17th %ile) Target: 154.0" (47th %ile)
Why it matters: This measures your lateral power — critical because pitching involves a massive lateral push off the rubber before you rotate.
How we fix it: The Stride Excelerator trains this lateral drive pattern specifically. Combine it with lateral bounds and the TopVelocity Sled for lateral resisted work.
Left Grip Strength +1.8 mph
Current: 110.0 lbs (58th %ile) Target: 125.0 lbs (88th %ile)
Why it matters: Grip strength is the end of the kinetic chain. All that force you generate has to transfer through your hand to the ball.
How we fix it: Farmer carries, dead hangs, wrist work, and specific grip training in the 3X Program. This also helps with spin rate and command.
These three priorities alone = +5.9 mph potential
⚙️ The Mechanical Side
The AI also identified some mechanical variables from your motion capture data. There's about +4.4 mph worth of mechanical improvements available. These are things like trunk rotation speed, pelvis rotation, and arm timing — exactly what the 3X Pitching Velocity Program is designed to fix. The Trunk Excelerator specifically trains that rotational sequencing, and the Stride Excelerator grooves the lower half mechanics. This is where the real velocity unlocks.
🏆 Can You Hit Your Target?
Here's the best part — the math works. You need +16.0 mph to hit 90, and the improvements above give you +18.6 mph of potential. This is achievable. It's not going to happen overnight, but if you commit to the training and stay consistent, 90 mph is absolutely in reach.
🚀 My Recommendation
Based on everything I'm seeing here, here's what I recommend: The 3X Pitching Velocity Program is exactly what you need. This isn't just a throwing program — it's a complete system that addresses mechanics, strength, power, and motor learning all in one. Your mechanics efficiency score tells me there's velocity sitting on the table right now. The 3X Program will teach you how to sequence your body properly and transfer all that force into the ball. To accelerate your results, I highly recommend using the TopVelocity training devices that are built into the program: The Trunk Excelerator teaches you to generate and transfer rotational power through your core — this is where velocity lives. The Stride Excelerator builds explosive leg drive and proper stride mechanics, which is the foundation of the 3X approach. The Impulse Ground Force Trainer develops your ability to create force into the ground, and the TopVelocity Sled builds the specific strength patterns you need for a powerful delivery. These aren't gimmicks — they're tools designed to train the exact movement patterns that separate high-velocity pitchers from everyone else. Combine them with the 3X Program and you'll see results faster than training alone.
💪 Your Top Physical Priorities
The two biggest physical drivers for you right now are broad jump and Body Height. Together, these account for about 1.6 mph of your velocity gap.
Broad Jump +1.4 mph
Current 86 in
Percentile 21th
Target 102 in
To Gain +16 in
Body Height +0.2 mph
Current 70 in
Percentile 25th
Target 72.8 in
To Gain +2.8 in
🔧 Supporting Work
After that, it's about the supporting package: left ankle dorsiflexion, Left Hip Abduction (mobility), Left Lateral Broad Jump, Left Grip Strength (power/stability). These aren't the headline levers, but they raise the floor and make your mechanics easier to execute.
⚙️ Mechanical Focus
Mechanically, the key focus is Dominate Arm External Rotation Maximum External Rotation and Dominate Arm External Rotation Speed Maximum External Rotation. Most of the energy to the ball comes through the trunk, so trunk acceleration and sequencing are the big rocks to move.
Dominate Arm External Rotation Maximum External Rotation +1.2 mph
Current Percentile 23th
🎯 Your Action Plan
Movement Cues:
"Shin down, leverage, drive — use the ground."
Training Priorities:
Explosive Power
Jump training (box jumps, bounds) + Olympic lift progressions (cleans, hang cleans). Train fast to be fast.
Mobility & Stability
Daily mobility work (hips, ankles, t-spine) + longer holds. Add single-leg stability for pelvic control.
🚀 What's Next
Hit these targets, re-test, and the system will update the next set of variables to chase. This is iterative — each evaluation narrows the focus as your profile improves. Plan to re-evaluate in 8-12 weeks.

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Achievement Milestones

Evaluated
🎖 Ranked
80+ MPH
🔥 85+ MPH
💪 90+ Club
🏆 Pro Level