A new chief support is being put in place for the Fabio Wardley vs Daniel Dubois bill.Jared Anderson was set to make his Queensberry Promotions’ against Solomon Dacres in the chief support of the May 9 bill in Manchester.Morrell will now feature on the Wardley vs Dubois bill with talks advancedGettyBut the American heavyweight has been forced to pull out, after suffering a torn bicep injury in training camp.With just days until the event, an immediate replacement was being sought by organisers to prevent the bill from losing a fight.And now it has been revealed by esteemed insider Dan Rafael that a plan is being put in place.It is expected that Callum Morrell and Zac Chelli will instead meet in a huge clash in the chief support.Morrell was set to meet Callum Smith in a world title eliminator, but the Briton was also forced out with injury.However, it appears he will now get the opportunity on a big stage regardless, with Chelli in talks to step in and take the bout at short notice.It is being reported that the bout will take place in a contracted 178lbs bout, with the Briton currently campaigning at light-heavyweight.Chelli will need to take the step up in quality, having fought in his last bout for the British title, which he won in style.Wardley vs Dubois – what is at stake?The event has avoided late chaos, but irrespective of the undercard, a mouth-watering contest is plotted.Wardley and Dubois will meet for the former’s WBO heavyweight world title which he will make a first defence of.Wardley and Dubois are set to headline one of boxing’s biggest events this yearGettyDubois is looking to bounce back from defeat to Oleksandr Usyk and will get the chance to become a two-time champion.There is much history between the pair, with the British rivals having shared sparring rounds in the past.But that will all be put behind them, with the pair searching for bigger and better fights.For the victor, huge showdowns could come next with Moses Itauma set to be mandatory challenger.Any victory could also set up bouts with the winner of Tyson Fury and Anthony Joshua’s pending bout in November.Meanwhile Usyk, who holds all of the other belts, could lay in wait.Boxing scheduleFor all the upcoming fights and results this year, check out talkSPORT.com’s boxing schedule.