Oleksandr Usyk and Daniel Dubois will renew hostilities tonight for the right to be crowned undisputed heavyweight champion.The duo first clashed in Poland in 2023, with undefeated Usyk surviving a controversial bout to stop Triple D in round nine.Usyk and Dubois are meeting for a second time at WembleyGettyFollow Usyk vs Dubois 2 LIVE HERE Dubois was adjudged to have hit the Ukrainian with a low punch, which prevented the blow from being ruled as a knockdown.Instead, Usyk was afforded ample time to recover from the shot and duly bounced back to score a ninth-round stoppage.Two years later, the debate around the low blow is still causing arguments between the two fighters ahead of their rematch.As such, talkSPORT.com breaks down all the details of the huge fight…Usyk vs Dubois 2: Fight rulesThe bout will, of course, be fought at heavyweight as WBA (Super), WBC, WBO, and IBO champion Usyk battles IBF title holder Dubois.The fight will take place over 12 rounds and each round will last three minutes, with the clash lasting 36 minutes should it go all the way.Dubois weighed in at 248.4lbs for his win over Anthony Joshua, heavier than his last three fights, which included the first Usyk bout.Usyk, meanwhile, last came in at 233.5lbs for his rematch with Tyson Fury, and will once again surrender a size advantage in this fight.There has been a dispute between the rivals’ teams about the rules of the fight in the build-up due to Dubois’ gloves. The Brit will be wearing horsehair Fly gloves, which have very thin padding and they have been approved for use by the BBBofC.The undisputed world heavyweight title fight will be the biggest bout of the yearGettyUsyk vs Dubois 2: RulesWeight: HeavyweightFighting for: Usyk’s WBA (Super), WBC, WBO, IBO, and The Ring heavyweight titles and Dubois’ IBF heavyweight beltRounds: 12Round time: Three minutesFight length: 36 minutesUsyk vs Dubois 2: Date and how to followThis 12-round clash will take place on Saturday, July 19.It will be held at Wembley Stadium in London, with main event ringwalks set for 9:50pm ahead of the opening bell at 10pm.talkSPORT will have live coverage of the undisputed world heavyweight title fight.Our commentary team will be made up of Adam Catterall, Gareth A Davies, Spencer Oliver, Dave Allen, and John Rawling. To tune in to talkSPORT through the website, click HERE for the live stream.You can also listen via the talkSPORT app, on DAB digital radio, through your smart speaker and on 1089 or 1053 AM.The clash will also be shown on DAZN pay-per-view. It will cost £24.99, and to purchase, you must have a DAZN subscription. More information here.The bout comes almost two years after their controversial first fightGettyUsyk vs Dubois 2: UndercardSubject to change…MAIN EVENT: Oleksandr Usyk vs Daniel Dubois – for WBA, WBO, WBC and IBF heavyweight titlesLawrence Okolie vs Kevin Lerena – for WBC silver heavyweight titleDaniel Lapin vs Lewis Edmondson – for IBF Intercontinental and WBA Continental light heavyweight titlesVladyslav Sirenko vs Solomon DacresAadam Hamed vs Ezequiel GregoresLasha Guruli vs. James Francis