Anthony Joshua boosted his hopes of potentially facing Tyson Fury with a stunning victory over Francis Ngannou in Saudi Arabia. AJ went into the bout knowing he couldn’t afford to lose, with his opponent taking part in just his second professional boxing fight. The 34-year-old was brimming with confidence prior to the contest, too, after victories over Jermaine Franklin Jr, Robert Helenius and Otto Wallin last year. And the Briton showed he’s certainly a man on the up by ruthlessly dispatching his opponent in the Middle East. Joshua came flying out the blocks. Ngannou looked comfortable during…