Daily Training Operating System
Stop
Guessing.
Start
Building.
PlayerOS is a daily training operating system for baseball athletes ages 13–18 who are serious about reaching the next level. Structure over motivation. A plan that adapts to your life so your routine never breaks down.
Blaze Baseball — Atlanta, GA
What PlayerOS does
Baseball-Specific Training
Every exercise is built around rotational power, athletic movement, and the specific demands of a baseball athlete. Not generic fitness — training that actually transfers to the field.
Workouts Built Around Your Goal
Select speed, strength, explosiveness, or velocity and your entire program — lifting structure, exercises, progressions — is built specifically around that goal. Nothing wasted, nothing random.
Manages Your Arm
Throwing progressions, recovery cycles, and workload tracking built around how a baseball arm actually works. Your arm care is programmed the same way your lifting is.
Adapts to Where You Train
Weight room, garage, or backyard — PlayerOS adjusts the exercises to fit your equipment without ever changing the quality of the program. The structure stays the same. The location doesn't matter.
Get Early Access
Be first in line when PlayerOS launches.
You're In.
We'll reach out when early access opens.
Follow @playerosapp on Instagram for updates and early previews.
From the Founder
Justin Evans
Founder, PlayerOS · Miami Marlins Organization (2018–2024)
"When I was 14, I went from being one of the best players on my team to feeling like one of the worst — practically overnight. My body hadn't caught up. Every other kid seemed to pass me by. I remember thinking seriously about quitting. My mom talked me out of it. And then my dad sat down with me and we built a plan. Not a pep talk — an actual plan. I stuck to it every single day."
"That decision changed everything. I went on to be an all-state shortstop in high school, an all-conference player at Columbus State, developed into a 94–97 mph arm, and got drafted by the Miami Marlins in 2018. I reached Double-A within my first year and pitched in over ten MLB spring training games. None of that happened because I was the most talented. It happened because I became someone I could depend on."
"The injuries that came later taught me just as much as the wins did. Development is never linear. It doesn't care about your timeline or your expectations. What I learned — from playing, from hurting, and from working inside a professional organization — is that the athletes who make it aren't always the most gifted. They're the ones who show up the same way on hard weeks as they do on good ones."
"If I could go back and tell my 16-year-old self one thing, it's this: you belong. Why not you? True confidence doesn't come from results — you have minimal control over those. It comes from how you go about your business every single day. That's what I'd build PlayerOS around even if it had never happened to me."