Most Pitchers Don’t Have a Velocity Problem — They Have a Capacity Problem

Blog post description.

12/31/20253 min read

Most Pitchers Don’t Have a Velocity Problem — They Have a Capacity Problem

Most high school pitchers think they need a new drill, a new weighted ball program, or more throwing volume to throw harder.

That’s rarely the issue.

What actually limits velocity for most pitchers is insufficient physical capacity — strength, power, and control — to support higher throwing outputs safely.

We recently ran a short testing day with several high school pitchers. Different ages. Different body types. Different performance levels.

The results made one thing very clear:

Velocity ceilings are predictable when you measure the right things.

Why Guessing Fails (And Why Most Off-Seasons Stall)

Most pitchers train blind.

They don’t know:

  • If their arm strength can support more throwing

  • If their lower half can actually produce power

  • If their trunk can transfer force efficiently

  • Where their biggest leaks are

So they guess.

And guessing leads to:

  • Temporary velocity spikes

  • Chronic soreness

  • Plateaus

  • Missed development windows

Testing removes the guesswork.

What We Measured (And Why It Matters)

On this testing day, we evaluated four pitchers using a capacity-first approach, not a velocity-first one.

Key areas included:

  • Arm strength (IR, ER, scaption, grip)

  • Lower-body power (broad jump, single-leg jump, estimated watts)

  • Core and glute endurance (side planks, glute bridges, prone holds)

  • Throwing output in multiple constraints (knee, rocker, run-and-gun, mound)

This gives us a full picture of:

  • How force is produced

  • How it’s transferred

  • Where velocity is being lost

What the Data Showed (Real Examples)

15 y/o, HS Freshman (Left-Handed)

This athlete showed:

  • Solid lower-body power for his age (9’4” broad jump, ~863W)

  • Noticeable gaps in arm strength relative to future velocity goals

  • Good movement skill but limited current capacity

Translation:
This athlete is early in his development window. If he chased velocity aggressively right now, the arm would pay the price. His plan needs to build capacity first, not rush output.

This is how you protect a freshman’s long-term ceiling.

– 18 y/o, HS Senior

This profile looked very different:

  • High total arm strength (232+ lbs)

  • Elite estimated power output (~1315W)

  • Strong transfer through multiple throwing constraints

Translation:
This athlete had already built the physical foundation to support higher velocity. His gains came from precision and sequencing, not adding more work.

Same system. Different emphasis.

– 15 y/o, HS Sophomore

Here we see:

  • Lower total strength and power compared to peers

  • Inconsistent transfer patterns

  • Clear strength and stability bottlenecks

Translation:
This is a pitcher who looks like he needs mechanics work — but actually needs strength, power, and control before mechanics will ever stick.

Coaching without fixing capacity would be wasted effort.

– 18 y/o, HS Senior

This athlete fell between profiles:

  • Solid strength base

  • Moderate power output

  • Transfer improving but not optimized

Translation:
This is where targeted development matters most. The wrong off-season plan would stall progress. The right one compounds gains.

The Big Takeaway Parents Miss

These four pitchers trained differently — on purpose.

Same system.
Different priorities.

This is where most programs fail.

Generic plans assume all pitchers need the same thing. They don’t.

Our Development Process (This Is the Difference)

Every pitcher we work with follows the same decision-making framework:

  1. Test strength, power, and transfer

  2. Identify bottlenecks limiting velocity

  3. Build capacity first (arm, trunk, lower half)

  4. Layer velocity safely

  5. Monitor and adjust as outputs increase

Velocity is the result — not the starting point.

What This Approach Prevents

This process helps pitchers avoid:

  • Chasing radar readings without support

  • Overuse injuries

  • Repeated off-season plateaus

  • Losing confidence from stalled progress

Parents don’t just buy velocity.
They buy certainty and direction.

Who This Is For (And Who It’s Not)

This is for:

  • Pitchers serious about long-term development

  • Families who want objective answers, not guesses

  • Athletes willing to commit to a process

This is NOT for:

  • One-size-fits-all programs

  • Quick fixes

  • Velocity at all costs

How to Get Started

If you want to know:

  • What’s limiting your pitcher right now

  • Whether their body can support more velocity

  • What kind of off-season plan actually fits them

It starts with an evaluation.

👉 Apply for a Pitching Evaluation at URATBB.Com or message me directly to 801-414-0840

This is how we build durable velocity — not just higher radar numbers.

jordan@utahrotationalathletetraining.com