Switzerland’s Stan Wawrinka stunned world number one Novak Djokovic with stimulating display to win his first US Open and third Grand Slam title. Wawrinka 31, seeded third, won 6-7 (1-7) 6-4 7-5 6-3 to add the US title to his 2014 Australia Open Title and his French Open wins last year. He hit 46 winners,…
