(Reuters) – Daniil Medvedev outmanoeuvred twice winner Andy Murray 6-4 6-2 in the second round of the Miami Open on Saturday. The reigning U.S. Open champion and world number two launched four aces in the first set and got the break at love in the third game as Murray, three years on from hip surgery, moved around the court with a slight limp. Murray, who notched up his 700th career win at Indian Wells two weeks ago, fended off two break points in the fifth game of the second set but Medvedev converted on his third chance as the Briton fell trying to pivot along the baseline. Russian Medvedev …