Five years. That's how long Mason Fowler and Devhonte Johnson have been waiting for a do-over, and on June 4, 2026, they're finally getting one. Except it's not really a do-over. It's a rematch in a completely different game with completely different rules, which means they get to spend another 20 minutes arguing about what victory actually means.

Let's rewind to 2021. ADCC North American East Coast Trials, under-99kg division final. Fowler vs. Johnson. The match that taught us all something important: regardless of ruleset, two grapplers who don't want to engage will find a way to make it happen. Fowler took a decision that day in what can only be described as a match where both athletes played not to lose rather than to win. It was the kind of victory that felt like vindication for Fowler—he made the technical choices, he controlled the match, and he got his hand raised. Johnson, meanwhile, got a lesson in how referee decisions aren't always about absolute dominance; sometimes they're about who made the fewest mistakes.

That loss stung. Johnson didn't accept it gracefully. He went out and won the IBJJF No-Gi World Championship in 2021—the same year as that trials loss—which was essentially his way of saying, "Well, I'll just prove I'm elite somewhere else." And he did. Johnson's an explosive passer with a pressure game that has sent more than a few guard-dependent grapplers back to the drawing board asking themselves hard questions about their life choices.

Fowler, for his part, has been busy defending the UFC BJJ light heavyweight title. He held the strap at UFC BJJ 6 and hasn't lost it since. His game is built on a foundation that would make any traditional jiu-jitsu player nod in recognition: tactical guard play, timing, positioning, the kind of incremental advantage-building that separates practitioners who understand the game from those who just throw themselves at problems. Fowler's the guy who believes that if you control the position and control the pace, the finish will come. Johnson's the guy who believes that if you move fast enough and pressure hard enough, the finish will come sooner.

They're both right. They're also both about to discover that neither of them is right for the ruleset they're competing under.

Here's the irony—and it's the kind of irony that makes this rematch actually worth paying attention to. Their first meeting happened under ADCC rules, where guard players get more defensive options and the emphasis is on technical maturity over explosive athleticism. In that environment, Fowler thrived. He played the positional game. He neutralized Johnson's pressure. He won on points in a tactical battle. Fast-forward to UFC BJJ 9, and they're competing under UFC submission grappling rules, a ruleset that has, shall we say, different priorities.

The UFC version of grappling scoring is closer to MMA scoring with a submission twist. Takedowns matter differently. Control time accumulates differently. The emphasis shifts toward more explosive, dynamic grappling rather than the grinding positional warfare that Fowler used to neutralize Johnson in 2021. This isn't just a different scorecard—it's a different sport wearing the same name.

Which is exactly why nobody should be surprised when both of them spend the fight's aftermath complaining that the rules don't reward what they tried to do.

Fowler will probably resort to what he does best: guard work, positioning, creating scrambles from uncomfortable places. He'll want the match to slow down, to become a technical chess game where his understanding of angles and timing matters more than raw athleticism. Johnson will want the opposite—he'll want chaos, explosive transitions, constant pressure from top positions where his strength and speed matter.

The UFC ruleset will probably split the difference and make both of them unhappy. This is what always happens in cross-federation rematches. The athletes arrive expecting to finish what they started, and instead they discover that the rules have fundamentally altered the question they're trying to answer.

But here's what makes this particular rematch interesting beyond the technical mismatch: both guys have evolved. Fowler's not the same guard player he was in 2021—he's gotten stronger, his wrestling has improved, and defending a UFC BJJ title means you've learned how to operate in multiple dimensions. Johnson's not the same explosive passer he was five years ago either. He's had time to develop positional mastery, to learn that sometimes you need to suffocate rather than scramble, that control is its own submission.

They've both seen what the other does and adapted. This isn't a raw rivalry born of youth and ego—it's evolved into something more calculated. They know each other's tendencies now. They've probably watched the 2021 footage a hundred times. Fowler knows Johnson's going to come with pressure and athleticism. Johnson knows Fowler's going to try to turn every position into a guard pulling opportunity.

The real question isn't who wins. It's whether the winner will accept the victory or spend the next five years telling people they "actually" won under different circumstances.

UFC BJJ 9 sits as part of a broader Macau fight card that includes everything from Song Yadong to Deiveson Figueiredo, which means this grappling championship is going to exist in the same ecosystem as striking-focused MMA. It's a weird place for a submission grappling showcase, but that's the market now. Grappling lives in the UFC world, and that means it plays by UFC rules, which means some purists are going to hate it.

Fowler and Johnson probably fall into that category. Both came up in the ADCC system, where grappling is grappling and rules exist to protect the integrity of the sport. Switching to UFC's version is like moving from chess to a variant where the board is slightly different and pawns move differently. You can adapt. You can still win. But you're never quite sure if you're playing the game you trained for.

What's interesting is watching how each fighter will mentally navigate this. Fowler's defending his title, which means he's already operating in UFC BJJ's ruleset. He knows what it takes to win there. Johnson's coming in as a challenger with 2021 on his mind—five years of carrying that decision loss, five years of wondering if he got robbed or if he just didn't perform well that day. This is his chance to prove it was the former. Except now he has to do it under rules that might not favor his style.

The grappling community will be split on this one. Fowler's supporters will cite his experience, his title reign, his technical consistency. Johnson's supporters will point to his athleticism, his World Championship, his potential to finally get the victory he believes he earned in 2021. Neither side will be entirely satisfied with the outcome because neither side can shake the feeling that this match "means" something different now than it would have in a neutral environment.

What we're really watching is submission grappling's growing problem: as the sport gets integrated into larger organizations and larger rulesets, the athletes lose control of what their victories actually mean. Fowler could defend his title and still have people argue he only won because of the ruleset. Johnson could win and still have people say he only succeeded because the UFC allowed something ADCC wouldn't have.

This is the cost of globalization in grappling. You get more exposure, bigger events, higher stakes. But you also get more ambiguity. Every ruleset brings its own winner, and nobody ever agrees on which version of the sport "counts."

So Fowler and Johnson will meet again on June 4, 2026, and they'll fight under a ruleset that neither of them probably prefers, in an environment that neither of them fully controls. And when it's over, regardless of who wins, at least one of them will probably look at the camera and explain why the real victory was the friends they made along the way.

Actually, no. They'll explain why the ruleset was bullshit.

Fowler's defensive record and Johnson's explosive style have created one of the more interesting technical matchups in the UFC BJJ pipeline, but it's impossible to ignore that five-year gap and the different contexts that each fighter has operated in since 2021. Fowler has made the UFC ruleset his home. Johnson has proven he belongs at the highest levels of traditional grappling. They're both right. They're also about to discover that being right in one context doesn't guarantee anything in another.

The rematch is happening because grappling is growing, because these athletes deserve another chance, and because the narrative demands it. But it's also happening in a context where both fighters are operating outside their comfort zones—Fowler defending his territory, Johnson trying to finally get revenge. Neither one of them will probably be satisfied with how it shakes out.

That's not a failure of their preparation or their skill. That's a failure of the sport to decide what it actually values.

This post was generated by AI. Sources are linked below. Follow @bjj-problems on YouTube for the weekly video digest.

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