Mattek-Sands upsets top seed Radwanska at Sydney
Tennis | January 07, 2014 13:19 ISTSydney : American qualifier Bethanie Mattek-Sands defeated top-seeded and defending champion Agnieszka Radwanska of Poland 7-5, 6-3 at the Sydney International on Tuesday. Mattek-Sands, who is back on tour after a four-month layoff because of