By MMA Stalker | March 2026
There’s a gym off a highway frontage road in Glendale, Arizona that doesn’t ask for much attention. No flashy marketing. No celebrity drama. No social media circus. Just work, every single day, under the same roof, under the same coach.
And right now, that gym has three fighters competing simultaneously at the very top of the UFC’s bantamweight division.
Let that land for a second.
The MMA Lab, founded by John Crouch and co-owned by former UFC lightweight champion Benson Henderson, currently has Mario Bautista sitting at #8 and Kyler Phillips at #14 in the official UFC rankings [1], with Marcus McGhee sitting just outside the top 15 in a 135-pound division that most people would argue is the deepest in the sport. Behind them, a next generation of undefeated prospects is climbing through the regional circuit, putting together the kind of records that get UFC scouts on the phone.
This didn’t happen by accident. And if you’ve been paying attention to the Arizona regional scene, it didn’t happen overnight either.
We Were There Before Anyone Was Watching
MMA Stalker has been covering Arizona MMA since before most of these fighters were pros. We’ve got Marcus McGhee on the card at Iron Boy MMA 13 in 2018, an amateur, still figuring it out, winning by whatever margin he could get. We covered Mario Bautista at LFA 31 the same year, looking every bit like a future problem for the division. Kyler Phillips, Clay Carpenter. The receipts are in the database.
That context matters. Because the story of the MMA Lab isn’t just that they produce UFC fighters. It’s that they produce them consistently, from the ground up, through a system that clearly works. We’ve had a front-row seat to watch it happen.
The Big Three at 135
Mario Bautista is the most dangerous fighter in the building right now, and it’s not particularly close. Ranked #8 at bantamweight with a 17-3 pro record [2], Bautista just submitted Vinicius Oliveira in the second round to headline a UFC Fight Night card in Las Vegas, three weeks ago. He beat José Aldo by split decision at UFC 307 last October. He has seven submission wins. He has won eight of his last nine UFC fights. He is a quiet, methodical, legitimate title contender who most casual fans still don’t know by name, and that might be the most on-brand thing possible for an MMA Lab fighter.
Marcus “The Maniac” McGhee is the most exciting fighter in the building, and it’s not close either. The Detroit-born, Phoenix-trained bantamweight goes 10-2 overall with nine of those ten wins coming by finish, eight by KO or TKO, one by submission [3]. A 90% finishing rate. He submitted Journey Newson in his UFC debut, knocked out JP Buys in round one, won a decision over Jonathan Martinez at UFC 309 at Madison Square Garden, and then went five hard rounds with Petr Yan, a former world champion, and lost by decision. That last loss isn’t a setback. That’s a résumé line. McGhee sits at #12 per Tapology [4] and belongs in every conversation about who’s next in line.
Kyler “The Matrix” Phillips at #14 has gone 6-3 in the UFC and is navigating a two-fight skid, but at 30 years old with a creative, entertaining style and five finishes to his name [5], he’s not done making noise. The ranking alone tells you the division still respects what he brings.
Three fighters. One gym. All active.
The Pipeline Behind Them
While Bautista, McGhee, and Phillips are stacking wins in the UFC, the next wave is already crashing in. Clayton Carpenter (8-2) at flyweight went 8-0 before earning a contract through Dana White’s Contender Series in 2022 [6] and is already booked for UFC 328 on May 9 in Newark. Jose Delgado (10-2) is a featherweight finisher with a 100% finishing rate across his ten wins, six by KO and four by submission [7], and he fights this weekend against Andre Fili at UFC Fight Night 269. MMA Stalker has covered Delgado since his amateur days, with his earliest appearance in our database coming at Iron Boy MMA 13 in 2018.
Behind them, the regional prospects are just as loaded. Amari Sengsavanh is 8-0 and fights this Friday at LFA 228 in Chandler, Arizona [8]. Vinny Dias is 7-0 [9]. Abdul Kamara is 11-2 and ranked #2 in the US Southwest at bantamweight per Tapology [10]. Ezra Elliott is 6-0 at featherweight with five of those wins coming by finish [11]. Chance Ikei has carried a clean amateur run into a 6-1 pro career at flyweight. All of these fighters are currently affiliated with the Lab. We can confirm their presence on Arizona regional cards going back through our database, though we can’t account for every bout across their full careers.
And at lightweight, Drakkar Klose (15-3-1) has been a durable UFC presence for years, most recently picking up a unanimous decision win over Edson Barboza at UFC 319 last August [12].
What John Crouch Is Building
The UFC itself took notice a few years ago, publishing a feature on Bautista that described the Lab as “one of the best gyms in a sport, continuously producing top-end talent without demanding recognition” [13]. That was before they had three bantamweights operating simultaneously at the top of the division. The gym’s philosophy, according to Crouch, has always been straightforward: work hard, trust the process, and let the results speak.
The results also share a pattern. MMA Lab fighters don’t just win decisions. They close the show. Across hundreds of tracked bouts in the MMA Stalker database, the gym’s fighters go for the finish, and they get it. That’s not an accident. It’s what Crouch builds.
The regional MMA community in Arizona has heard it longest. Now the rest of the sport is catching up.
One gym. One system. Three ranked UFC fighters in the sport’s deepest division right now, with two more already on UFC cards this month and in May, and a wave of undefeated prospects still working their way up.
Glendale doesn’t ask for attention. But it’s getting it anyway.
MMA Stalker has covered MMA Lab fighters across more than 180 fight card appearances since 2017, from amateur debuts at Iron Boy MMA and WFF to UFC main cards. Fighter records verified against Combat Registry (combatreg.com), the official database for ABC-sanctioned bouts, as of March 2026. UFC rankings sourced from UFC.com. Kamara’s regional ranking sourced from Tapology.
References
[1] UFC Bantamweight Rankings — ufc.com/rankings[2] Mario Bautista — Combat Registry: combatreg.com/fighters/Mario-Bautista:6446F8AB1536C8F1[3] Marcus McGhee — Combat Registry: combatreg.com/fighters/Marcus-McGhee:FD0BCA43EED59A0B[4] Marcus McGhee — Tapology: tapology.com[5] Kyler Phillips — Combat Registry: combatreg.com/fighters/Kyler-Phillips:6950E24F707AC409[6] Clayton Carpenter — Combat Registry: combatreg.com/fighters/Clayton-Carpenter:5FAF2462475ED11F[7] Jose Delgado — Combat Registry: combatreg.com/fighters/Jose-Delgado:C9CF8E3D4B34AEE1[8] Amari Sengsavanh — Combat Registry: combatreg.com/fighters/Amari-Sengsavanh:4FAA534C2E2ACFF6[9] Vinny Dias — Combat Registry: combatreg.com/fighters/Vinny-Dias:C7060D87B232F263[10] Abdul Kamara — Tapology[11] Ezra Elliott — Combat Registry: combatreg.com/fighters/Ezra-Elliott:8D2B54DD54372D5D[12] Drakkar Klose — Combat Registry: combatreg.com/fighters/Drakkar-Klose:B9D4EA9E2C9A78EC[13] “Mario Bautista | Built In The Lab” — UFC.com, Oct. 22, 2025: ufc.com/news/mario-bautista-built-in-lab-bantamweight-ufc-32
