Marcus Stanley has been in boxing longer than most of the people he trains have been alive. Thirty-five years — as a fighter first, then as a coach, and for the better part of two decades, on this gym’s floor before he ever took the title of head coach. We sat down with him to talk about what three and a half decades in the sport actually teaches you, once you strip away everything that looks good on a poster.

“Talent Is Overrated. Nobody Wants to Hear That.”

“Everyone wants to talk about talent like it’s the deciding factor,” Marcus says. “It’s not. I’ve coached talented fighters who quit after two months because the work got boring. I’ve coached fighters with zero natural gift who are still here five years later, still improving, because they never stopped showing up. Talent gets you attention early. It doesn’t keep you in the gym at six in the morning when nobody’s watching.”

This isn’t a throwaway line for him — it’s the entire foundation of how he coaches. Walk into one of his classes and you won’t hear much about “potential.” You’ll hear about repetition. About fixing the same small technical error for the tenth time without getting frustrated, because the eleventh time is usually when it finally clicks.

The Hardest Part of Coaching Isn’t Technique

Ask most coaches what’s hard about the job, and they’ll talk about programming, or keeping up with new training methods, or managing a full class of mixed skill levels at once. Marcus talks about something else entirely.

“The hardest part is knowing when someone needs to be pushed harder, and when they need you to back off. That’s not something you learn from a manual. You learn it from getting it wrong a hundred times over thirty-five years. I’ve pushed people too hard and watched them burn out. I’ve gone too easy on people who needed more, and watched them stay stuck. You spend decades calibrating that instinct, and you still get it wrong sometimes.”

It’s a rare kind of honesty from someone with his level of experience — most people that far into a career aren’t eager to admit they still get things wrong. But it’s exactly why the “no egos” culture at Underdog isn’t just a marketing line. It starts at the top.

What Changed Between Fighting and Coaching

Marcus competed for years before he ever coached a single class. We asked him what shifted when he moved from one side of the gym to the other.

“As a fighter, it’s all about you — your performance, your record, your next fight. As a coach, none of that matters anymore. Your win is somebody else’s win. That took longer to get used to than people expect. You have to actually want that — want someone else’s success more than your own — or you’ll burn out fast in this job. I’ve seen good fighters become bad coaches because they never made that switch.”

It’s a distinction that shows up in how he runs a room. He’s not chasing his own highlight reel anymore. He’s watching a beginner’s footwork from across the gym while simultaneously correcting a returning member’s guard, and somehow making both people feel like they have his full attention.

The One Thing He Tells Every New Member

We asked if there’s a single piece of advice he gives every person who walks in for their first class, regardless of age, background, or goals.

“I tell them the same thing every time: nobody in this room is judging you. Everyone here was new once, including me. Including every coach on this staff. The only difference between you and the person who’s been training for ten years is time. That’s it. Show up, put in the time, and everything else takes care of itself.”

Thirty-five years in, that’s still the whole philosophy. Not a secret technique. Not a shortcut. Just time, repetition, and a room full of people who remember exactly what it felt like to be new — because most days, they still do.

Train under coaches who’ve actually done it. Your first class is free — enroll now or meet the full coaching team.