Dereck Chisora made mandatory challenger to European champion Kubrat Pulev Kubrat, from Bulgaria, is unbeaten in 17 fights with 9 knockouts. He won the title in May year by knocking out Alexander Dimitrenko in eleven rounds and then knocked out Alexander Ustinov in September in eleven rounds in the first defence. He said, "I'm back in business and ready for whatever comes my way from Frank. Whoever he puts in front of me I'm destroying, just like Scott, they're going down. This is the new Dereck Chisora back on the road to winning the world heavyweight title. Kubrat for the European title would be nice and he's going to get knocked out or bring me another unbeaten Yank to spank in Deontay Wilder. It's all about keeping busy and building on each win so roll on September 21st for the grand opening of the Copper Box Arena and I'll be making sure that the Box Rocks when I'm in action.