In his final match before retiring, Donald Young can win a US Open title with friend Taylor Townsend
Donald Young, of the United States, returns the ball to Kei Nishikori, of Japan, during the Citi Open tennis tournament, Aug. 1, 2018, in Washington. (Photo by Nick Wass, AP, File) Young, 35, was the top-ranked player at the junior level in 2005, a year after turning pro. NEW YORK (AP) — For as long…