In April 2017, heavyweight boxing regained much of its credibility with a pulsating fight between Britain's Anthony Joshua and Ukraine's Wladimir Klitschko in London. Both men were knocked down as the fight went first one way, and then the other, before a decisive 11th round ended in Joshua's victory. A rematch would have surely grossed as much - if not more - than the first fight's 30 million dollar purse, but more recently the defeated Klitschko has announced his retirement. But comebacks often prove irresistible in boxing. So is Klitschko really finished in the ring and if so, what's next? Show less