BKBCredit: BKB 58Anything can happen in bare knuckle boxing. Gustavo Trujillo was set to defend his BKB Heavyweight title against Mark O'Neil in the BKB 58 main event. O'Neil was forced to pull out because of visa issues, but former BKFC heavyweight champion and BKB 57 main-event winner, Mick Terrill agreed to replace him on just 12 hours notice. Terrill was set to come to the event as a commentator. Now he's in one of the featured fights. Let's talk bare knuckle boxing.Trujillo vs. Terrill Key FactsDetailInfoMain eventGustavo Trujillo vs. Mick Terrill, BKB heavyweight titleDateSaturday, August 29, 2026VenueJames L. Knight Center, Miami, FloridaWhy the changeMark O'Neil withdrew over visa issuesTerrill's notice12 hours. BKB's release says a few days.Trujillo's BKB record8-0, all eight by first-round knockoutTrujillo's boxing record12-0, 11 KOs, ranked No. 13 by the WBOTerrill's record11-2, 10 KOsTerrill's last fightFirst-round TKO of Florian De La Motte, BKB 57 main event, July 25Prelims start6:30 p.m. ET, 3:30 p.m. PTMain card start8:00 p.m. ET, 5:00 p.m. PTMain card, North AmericaVice TV and Telemundo Deportes AhoraPay-per-viewNoNeither man goes long. Trujillo has stopped all eight BKB opponents inside a round and is 12-0 as a pro boxer. Terrill is 11-2 with 10 knockouts and won the vacant BKFC heavyweight title in 2023 before Ben Rothwell took it from him in 36 seconds. BKB CEO David Tetreault called the booking a matter of "real fighters, real fights, no waiting around." Terrill's own line: "I'll fight any man, any time, any where." Trujillo's answer: "Be careful what you wish for."Here's a look at the video that shows the culmination of the speed negotiations.https://youtube.com/shorts/ztkq9RVbapM?si=D6i82mlWFKS3ipt_More Bare Knuckle CoverageSon of a Boxing Legend Featured in Bare Knuckle Boxing EventFormer Boxing World Champion Makes Second Bare Knuckle Boxing AppearanceBare Knuckle Boxing CEO Shares Growth Plan and TikTok SuccessMick Terrill's Championship ResumeTitles as listed by BKB and BKFC.MORE FOR YOUTitlePromotionWonStatusHeavyweight world championshipBKBWon at BKB 5, defended twiceFormerHeavyweight world championshipBKFCDecember 2023, vacant titleLost to Ben Rothwell, January 2025UK heavyweight championshipBKFCMarch 2026, inaugural championCurrent, unless vacatedTrujillo vs. Terrill By The NumbersRecords as listed by BKB and BKFC.CategoryTrujilloTerrillBare knuckle record8-011-2Knockouts810Fights past round one0MultipleAlso a pro boxerYes, 12-0No