Wozniacki injures knee in Wimbledon warmup

Caroline Wozniacki, who is a wild-card entrant at Wimbledon, had to retire from her quarterfinal match at the Bad Homburg Open with a knee injury.

Wozniacki injures knee in Wimbledon warmup
Caroline Wozniacki, who is a wild-card entrant at Wimbledon, had to retire from her quarterfinal match at the Bad Homburg Open with a knee injury.