Ukraine’s Oleksandr Usyk retained his WBA (Super), WBO and WBC world heavyweight titles by unanimous decision against Britain’s Tyson Fury to remain undefeated after an enthralling clash in an electric atmosphere at the Kingdom Arena on Saturday.Giving up advantages in height, weight and reach to his much bigger opponent, Usyk fought superbly throughout to win 116-112 on all three judges’ scorecards as he again defeated Fury after his success in May made him the undisputed champion.For all the latest headlines follow our Google News channel online or via the app.Fury, 36, was much-improved from that first encounter where he wilted in the ninth round but could still not solve the puzzle posed by the 37-year-old Usyk, whose superb movement saw him force the Briton onto the back foot for much of the bout.Tipping the scales at a career-high 281 pounds (127kg), 55 pounds (25kg) heavier than Usyk, Fury started at a high tempo and tried to control the center of the ring using his jab, but the