Murray, Williams and Federer reach quarters

NEW YORK (Reuters) – Andy Murray produced a master class in tennis to destroy the highly rated Milos Raonic on Monday and book his place in the quarter-finals of the U.S. Open. The Olympic champion provided more evidence he could be ready to add a first grand slam title to the gold medal he won in London last month when he blunted one of the biggest serves in the game to win 6-4 6-4 6-2. …