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What if the number you trust most to protect pitchers is the one hiding the real risk? We break down OP10—outs per ten pitches—a clear, practical stat that blends results with context by adding errors back into the equation. Instead of worshiping a pitch count, we show how OP10 reveals true efficiency, flags fatigue early, and helps coaches decide when to pull, when to push, and how to plan training with purpose.

We walk through the simple formula and why it matters at every level, from youth leagues to varsity. Think of a kid burning 41 pitches in the first inning versus another who weathers multiple errors but keeps the pitch load low; OP10 makes the difference obvious. We also revisit Greg Maddux’s surgical efficiency to illustrate what strong OP10 looks like across innings, and why fewer pitches per out is the real currency of healthy, sustainable performance.

Numbers are only part of the story, so we pair OP10 with quick, coach-friendly checks: range of motion screens, simple strength and sequencing tests, and on-the-mound fatigue cues tied to command and velocity drift. With injury rates rising and position players now joining pitchers in UCL surgeries, waiting for a pitch cap to save the day isn’t a plan. OP10 offers a smarter lens for game management, offseason design, and honest conversations with athletes and parents about workload, mechanics, and recovery.

If you care about healthier arms, better decisions, and more efficient innings, this is your blueprint for moving beyond pitch count to what truly matters: outs with less stress. Subscribe, share with your staff, and leave a review to help more teams protect their pitchers and win smarter.

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The Velocity Rx podcast mission is to help save one million arms by giving the very best mechanical, health, and arm care information to it's listeners.