Marshfield produces competitive pitchers who need more than weekend bullpens to reach their potential. Ten minutes away, ASP provides technology-driven development that makes a difference.
Velocity development, pitch design, arm care protocols—Marshfield pitchers at ASP get a complete program, not just throwing sessions.

A radar gun tells you how fast you threw. TrackMan tells you everything else—and that's where real development happens.
Velocity, spin rate, spin axis, movement profile, release point, and extension on every pitch.
We don't just throw—we design. Build a sweeper, optimize your curveball, create pitch tunneling.
Daily arm health tracking. Know when to push and when to back off before injury happens.
Weighted balls, command training, intent throwing. The right program based on where you are.
Build the right foundation. Proper mechanics, arm path, and understanding of pitch movement before velocity.
Start adding velocity responsibly. Introduce breaking balls properly. Begin pitch design concepts.
Full velocity development, pitch arsenal optimization, showcase prep, and recruitment positioning.
Marshfield families choose ASP because we offer what local options can't: a purpose-built facility with TrackMan technology and coaches who specialize in pitch design and velocity development—not just bullpen management.
Purpose-built for pitching development with TrackMan mounds, bullpens, and dedicated training areas.
The same radar tracking system MLB teams use. Every metric on every pitch.
Daily arm health monitoring to develop velocity safely and avoid injury.
Understand how your body generates power from the ground up through the kinetic chain.
Structured programs that build velocity in the off-season and maintain it during the season.
Our pitchers earn college offers because they actually develop verified stuff.
Here's what most pitching lessons in the Marshfield area look like: show up, warm up, throw a bullpen, get some feedback like "keep your elbow up" or "you're opening early," and go home.
That might help a little. But it's not development. It's maintenance at best.
Real pitching development means knowing exactly what your fastball does—not what it feels like, but what it actually does. It means understanding why your slider is flat and how to add 6 inches of sweep. It means having a plan for adding velocity that doesn't destroy your arm.
That requires technology. That requires expertise. That requires ASP.
High school pitchers see the biggest gains at ASP. Our TrackMan data helps Marshfield varsity arms identify exactly what's limiting their performance—whether it's spin efficiency, release point consistency, or pitch tunneling. We create targeted plans.
ASP serves pitchers from across the South Shore. If you're in one of these nearby towns, we're just a short drive away.
Book a pitching assessment. We'll track everything with TrackMan, identify your biggest opportunities, and build a plan to get you where you want to go.