Caroline Wozniacki among upsets
SYDNEY -- Top seed and defending champion Agnieszka Radwanska of Poland was defeated by American qualifier Bethanie Mattek-Sands 7-5, 6-3 in the second round of the Sydney International, a key warmup tournament for the Australian Open.
Mattek-Sands, who is back on tour after a four-month layoff because of a right knee injury, lost in the first round in Brisbane last week and had to win three matches just to qualify for the main draw in Sydney.
"Very happy with it," Mattek-Sands said. ...
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