
Shoulder, Elbow & Throwing Performance
Baseball Physical Therapy & Rehab
One-on-one baseball physical therapy in Kent, Washington and Tampa, Florida. Shoulder and elbow rehab, strength training, and return to throwing through competition.

Dylan Newcomer, DPT
Throwing-arm rehab and return to competition inside Driveline Baseball, with a background in strength and conditioning.
Book a Free Consult with Dylan
Jason Modafari, DPT
Former Cincinnati Reds medical staff physical therapist. Baseball injury rehab and return to throwing inside Driveline Baseball.
Book a Free Consult with JasonWhy We're Different
Your rehab has to understand throwing
A throwing arm is adapted to extreme speed, range of motion, and workload. We evaluate it against the demands of baseball, then keep the plan moving until the athlete can tolerate high-intent throwing again.
Know what is normal
We separate useful throwing adaptations from the deficits that are actually limiting you.
Build more than pain relief
Shoulder, elbow, forearm, trunk, and lower-body capacity are trained together.
Own the throwing ramp
Velocity, workload, video, mound intensity, and recovery guide the return through full-effort bullpens.

Our Focus
Specialty care for throwing athletes
Whether you're post-op, hurting now, or trying to stay healthy, pick the starting point that fits you.
Rehab Through Return to Sport
Feeling better is the start. Competing is the goal.
Pain relief and range of motion matter, but they do not recreate a season. We carry the plan into strength, power, throwing workload, mound intensity, and full-effort bullpens, then prepare a clean handoff for baseball development.
01
Restore the arm
Settle the injury, restore motion, and rebuild shoulder, elbow, forearm, and full-body capacity without letting the rest of your training disappear.
02
Build throwing capacity
Progress strength, power, plyometrics, and throwing intensity while tracking how the arm responds to each increase in stress.
03
Reach full-effort bullpens
Build mound intensity, pitch mix, role-specific volume, and recovery. Then hand current workload, velocity, and strength benchmarks to the athlete's next coach.
One roof. Clear roles.
Athletic Potential is an independent physical therapy practice inside Driveline Baseball facilities in Kent and Tampa. We treat the injury, rebuild strength, manage throwing workload, and carry athletes through full-effort bullpen work.
We may address basic pitch shape or command when it helps guide rehab. Driveline's coaches, the athlete's team, or another pitching coach take the lead for detailed performance motion capture, live at-bats, pitch design, velocity development, command work, and hitting instruction.
Two-way players can begin Driveline hitting and strength training while we continue managing the throwing progression. Pitchers can finish their bullpen progression with us before moving into a Driveline pitching plan. Our Rehab Advantage Plan keeps the clinical side organized throughout that transition.
Athletes can also return to their team, a private coach, or another training facility. We send the current workload, velocity, and strength benchmarks with them.

Plans
Built for your stage
Rehab, throwing, and lifting: matched to your injury, your goals, and your commitment.
Rehab Advantage Plan
Long-course baseball rehab with PT, strength, throwing, workload management, and daily facility access under one plan.
Explore Rehab AdvantageRemote Performance Programming
Remote injury rehab or return-to-throw management with clinical video review for athletes located in Washington or Florida.
Explore Remote ProgramsPay Per Session
Evaluations or ongoing sessions without a weekly commitment. Second opinions, off-season check-ins, or ad-hoc needs.
View Individual SessionsThe Return-to-Throwing Program
Throwing again is one milestone. Building the volume, intensity, pitch mix, recovery, and confidence required for competition is the full job. Our progression uses objective criteria instead of arbitrary timelines.
Results
What athletes are saying

“After finishing early rehab from Tommy John surgery, I knew I needed a place that went beyond the basics. Athletic Potential built a fully customized return-to-throw plan and continued rehab/performance program around my needs. The process was collaborative from start to finish, and I surpassed my goal, with my fastball back to 96 mph with my offspeed and breaking balls looking sharp.”
Michael Rucker
MLB, RHP
Baseball rehab
FREQUENTLY ASKED QUESTIONS
If you're deciding whether this fits, start here.
Getting Started
Generally, no referral is needed to start. We operate as a cash-based practice with direct access, meaning you can schedule an evaluation without a physician referral in most circumstances. If imaging, a surgical consult, or additional documentation is needed, we can help coordinate that process.
Visit pricing varies by location and appointment length. Every appointment is one-on-one with a Doctor of Physical Therapy, with treatment based on your injury, goals, and rehab plan.
Yes. We work with youth, high school, college, and professional throwing athletes. In younger players, the evaluation accounts for growth plates, changes in workload, year-round throwing exposure, and the difference between soreness and pain that needs medical review.
Treatment & Recovery
The throwing motion is one of the fastest human movements. The humerus can internally rotate at over 7,000 degrees per second. General orthopedic protocols may focus primarily on the shoulder or elbow. We start with the injury equation: stress applied vs. tissue capacity. We assess workload history, build tissue capacity through progressive loading, track return-to-throw with velocity data alongside distance and effort, and screen for mechanical patterns that may contribute to localized tissue irritation.
The diagnosis, tissue healing, time away from throwing, current strength, competition role, and response to each workload change all affect the length. A short shutdown for irritation and a return after UCL surgery are completely different projects. We use phase criteria alongside time rather than assigning one timeline to every arm.
Often, yes. Rehab is training in the presence of an injury. You will likely modify your throwing and upper body work, but we keep you loading your legs, conditioning, and building the movement patterns that support your return.
The Driveline Advantage
No. Athletic Potential is an independent physical therapy practice inside Driveline Baseball. We manage rehab and return to throw for our own patients. When an athlete is ready for hitting or pitching development, Driveline is one option alongside the athlete's team, private coach, or preferred training facility.
Athletic Potential manages the injured arm, strength, throwing workload, mound progression, and full-effort bullpens. We may address basic pitch shape or command when it helps guide rehab. Detailed motion capture, pitch design, velocity development, live at-bats, and hitting instruction are better handled by Driveline, the athlete’s team, or another coach. Two-way players may begin Driveline hitting and strength training while we continue managing their throwing progression.
Your arm deserves throwing-focused care.
Get an evaluation from a DPT who treats throwing arms for a living. The first call is free.
Cash-based practice. One-on-one sessions. Superbills available for out-of-network reimbursement.
Book a Free ConsultBaseball clinical guides
Baseball rehab library
Follow the injury from diagnosis through strength, throwing, mound work, and the return to competition.
