John St. John
LHP
TopVelocity Evaluation
73
Velocity
6'2"
Height
193
Weight
AI Velocity Analysis
Machine learning prediction based on 1,535 elite athletes
Camp Velocity
73
mph
AI Prediction
76
mph
Based on physical metrics
Difference
2.5
mph
Below prediction
Proficiency
28
%ile
Mechanics efficiency
What this means: Below average mechanics - significant improvement potential
There's potential to gain 2.5 mph through improved mechanics and training.
There's potential to gain 2.5 mph through improved mechanics and training.
💪 Athletic Variables to Improve
Physical metrics that directly impact velocity. Focus on these for maximum gains.
Broad Jump
+2.1 mph
Current
90.0"
26%ile
→
Goal
98.0"
56%ile
Lateral Broad Jump (Combined)
+2.0 mph
Current
142.0"
14%ile
→
Goal
154.0"
44%ile
Vertical Jump
+1.8 mph
Current
23.0"
22%ile
→
Goal
26.0"
52%ile
Right Grip
+1.8 mph
Current
105.0 lbs
44%ile
→
Goal
118.9 lbs
74%ile
10-Yard Sprint
+1.5 mph
Current
1.730s
27%ile
→
Goal
1.650s
57%ile
Weight
+1.4 mph
Current
193.0 lbs
66%ile
→
Goal
230.5 lbs
95%ile
Left Grip
+1.4 mph
Current
115.0 lbs
71%ile
→
Goal
135.0 lbs
95%ile
Trunk Rotation (Combined)
+0.5 mph
Current
80.0°
2%ile
→
Goal
115.0°
32%ile
Total Potential Velocity Gain:
+12.5 mph
→ Target: 90 mph
Working Toward 90 mph
You need +16.3 mph to reach your target.
Improving to 90th percentile in the metrics above can provide +12.5 mph.
Improving to 90th percentile in the metrics above can provide +12.5 mph.
3.8 mph gap remaining
Consider setting an interim target of 86 mph first.
Consider setting an interim target of 86 mph first.
TopVelocity Ranking
Based on the TopVelocity Evaluation System
Current Rank
Unranked
Youth Level 3
4/16 metrics
Youth Level 2
5/16 metrics
📊 Performance Scores (Percentile)
43
Mobility
36
Power
40
Overall
Anthropometric
3 metrics measured
74
Overall
74.0 in
in
Body Height
82th Percentile
Elite (90th):
75.0 in
Difference:
-1.0 in
193 lbs
lbs
Body Weight
65th Percentile
Elite (90th):
216 lbs
Difference:
-23 lbs
74.0 in
in
Wing Span
75th Percentile
Elite (90th):
76.0 in
Difference:
-2.0 in
Mobility
23 metrics measured
43
Overall
5 °
°
Right Dorsiflexion
5th Percentile
Elite (90th):
19 °
Difference:
-14 °
5 °
°
Left Dorsiflexion
5th Percentile
Elite (90th):
18 °
Difference:
-13 °
60 °
°
Right Plantar Flexion
50th Percentile
Elite (90th):
75 °
Difference:
-15 °
60 °
°
Left Plantar Flexion
50th Percentile
Elite (90th):
75 °
Difference:
-15 °
30 °
°
Right Hip Internal Rotation
50th Percentile
Elite (90th):
40 °
Difference:
-10 °
35 °
°
Left Hip Internal Rotation
75th Percentile
Elite (90th):
40 °
Difference:
-5 °
60 °
°
Right Hip External Rotation
95th Percentile
Elite (90th):
54 °
Difference:
✓ Elite
50 °
°
Left Hip External Rotation
90th Percentile
Elite (90th):
50 °
Difference:
✓ Elite
20 °
°
Right Hip Extension
62th Percentile
Elite (90th):
25 °
Difference:
-5 °
20 °
°
Left Hip Extension
50th Percentile
Elite (90th):
25 °
Difference:
-5 °
85 °
°
Right Hip Flexion
62th Percentile
Elite (90th):
95 °
Difference:
-10 °
80 °
°
Left Hip Flexion
50th Percentile
Elite (90th):
95 °
Difference:
-15 °
40 °
°
Right Hip Abduction
25th Percentile
Elite (90th):
51 °
Difference:
-11 °
40 °
°
Left Hip Abduction
25th Percentile
Elite (90th):
52 °
Difference:
-12 °
50 °
°
Right Shoulder Internal Rotation
54th Percentile
Elite (90th):
70 °
Difference:
-20 °
50 °
°
Left Shoulder Internal Rotation
50th Percentile
Elite (90th):
80 °
Difference:
-30 °
95 °
°
Right Shoulder External Rotation
25th Percentile
Elite (90th):
120 °
Difference:
-25 °
100 °
°
Left Shoulder External Rotation
50th Percentile
Elite (90th):
115 °
Difference:
-15 °
20 °
°
Right Shoulder Horizontal Abduction
10th Percentile
Elite (90th):
35 °
Difference:
-15 °
20 °
°
Left Shoulder Horizontal Abduction
10th Percentile
Elite (90th):
35 °
Difference:
-15 °
45 °
°
Trunk Extension
75th Percentile
Elite (90th):
50 °
Difference:
-5 °
30 °
°
Right Trunk Rotation
3th Percentile
Elite (90th):
75 °
Difference:
-45 °
50 °
°
Left Trunk Rotation
25th Percentile
Elite (90th):
70 °
Difference:
-20 °
Strength & Power
8 metrics measured
36
Overall
23.0 in
in
Vertical Jump
25th Percentile
Elite (90th):
30.0 in
Difference:
-7.0 in
90 in
in
Broad Jump
31th Percentile
Elite (90th):
108 in
Difference:
-18 in
72 in
in
Right Lateral Broad Jump
25th Percentile
Elite (90th):
86 in
Difference:
-14 in
70 in
in
Left Lateral Broad Jump
17th Percentile
Elite (90th):
86 in
Difference:
-16 in
1.730 s
s
10 Yard Sprint
5th Percentile
Elite (90th):
1.880 s
Difference:
-0.150 s
450 lbs
lbs
Total Body Strength
61th Percentile
Elite (90th):
600 lbs
Difference:
-150 lbs
105 lbs
lbs
Right Grip Strength
47th Percentile
Elite (90th):
130 lbs
Difference:
-25 lbs
115 lbs
lbs
Left Grip Strength
72th Percentile
Elite (90th):
130 lbs
Difference:
-15 lbs
Pitch Metrics
5 metrics measured
18
Overall
1200 °
°
Spin Axis
10th Percentile
Elite (90th):
1200 °
Difference:
+0 °
8 in
in
Vertical Break
4th Percentile
Elite (90th):
20 in
Difference:
-12 in
-12 in
in
Horizontal Break
5th Percentile
Elite (90th):
14 in
Difference:
-26 in
1862 rpm
rpm
Total Spin
45th Percentile
Elite (90th):
2178 rpm
Difference:
-316 rpm
74 mph
mph
Total Velocity
24th Percentile
Elite (90th):
86 mph
Difference:
-12 mph
🎯
Brent Pourciau's Analysis
Road to 90
Personalized roadmap for John St. John
The Overview
Alright John, here's your Road to 90. You're currently sitting at 73.7 mph, which means you need about 16.3 mph to hit your target of 90. Your profile is in the 40th 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
John, here's your reality check. You're at 73.7 mph, and the AI model predicted 76.2 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 28th percentile — and honestly, this is where the opportunity is. Your physical tools are there, but your delivery isn't converting them efficiently. The good news? Mechanical improvements often come faster than physical gains. Once we optimize your sequencing and timing, you'll see immediate velocity jumps.
Your Biggest Opportunities
Based on the AI analysis, here are your biggest opportunities to add velocity:
Broad Jump
+2.1 mph
Current: 90.0" (26th %ile)
→
Target: 98.0" (56th %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: 142.0" (14th %ile)
→
Target: 154.0" (44th %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.
Vertical Jump
+1.8 mph
Current: 23.0" (22th %ile)
→
Target: 26.0" (52th %ile)
Why it matters: Vertical jump measures your explosive power — your ability to generate force quickly. This directly translates to how hard you can drive off the rubber.
How we fix it: The Impulse Ground Force Trainer develops your ability to create force into the ground explosively. Pair it with box jumps, depth jumps, and Olympic lift variations in the 3X Program.
These three priorities alone = +5.9 mph potential
Can You Hit Your Target?
Let me be honest with you — getting to 90 mph is a big goal. The improvements I've outlined give you about +12.5 mph, which would put you around 86 mph. That's a great interim target. The remaining 3.8 mph will require elite-level development — we're talking about pushing past 90th percentile on multiple metrics. Set 86 mph as your first milestone, crush that, then we'll re-evaluate and map out the next phase.
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 vertical jump. Together, these account for about 4.7 mph of your velocity gap.
Broad Jump +2.2 mph
Current
90 in
Percentile
31th
Target
102 in
To Gain
+12 in
Vertical Jump +2.5 mph
Current
23 in
Percentile
25th
Target
28 in
To Gain
+5 in
Supporting Work
After that, it's about the supporting package: left ankle dorsiflexion, Left Hip Abduction (mobility), Left Lateral Broad Jump (power/stability). These aren't the headline levers, but they raise the floor and make your mechanics easier to execute.
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.
Achievement Milestones
Evaluated
Ranked
80+ MPH
85+ MPH
90+ Club
Pro Level