UFC BJJ 5: Musumeci vs. Montague was a submission grappling event produced by UFC Brazilian Jiu-Jitsu (UFC BJJ), held at the Meta Apex in Las Vegas, Nevada, United States, on February 12, 2026.
The event is headlined by two championship bouts. Mikey Musumeci makes the second defense of his UFC BJJ bantamweight title against reigning IBJJF No-Gi European and World Champion Shay Montague, while Ronaldo Júnior attempts the first defense of his UFC BJJ middleweight title against reigning 174-pound IBJJF No-Gi World Champion Tarik Hopstock.
Following a year-long layoff due to injury, three-time IBJJF World Champion Nicholas Meregali returns to competition to face IBJJF No-Gi World Champion Nicholas Maglicic.
Former UFC BJJ welterweight title challenger Andy Varela faces Andy Murasaki, while Jonnatas Gracie and Yan Lucas make their respective promotional debuts against one another in a welterweight bout.
Elsewhere on the card, IBJJF World Champion Jalen Fonacier takes on Carlos Oliveira, while former EBI Lightweight Champion Landon Elmore meets former UFC BJJ title challenger Rerisson Gabriel.