WIMBLEDON, England (AP)—Rafael Nadal says his right knee feels "good, good; not bad" after a 40-minute practice session at the All England Club.Toni Nadal, Rafael's uncle and coach, says the knee "is so much better" Sunday than it was a day earlier, when the 2008 Wimbledon champion received treatment from a trainer at changeovers during his five-set comeback victory in the third round.Rafael Nadal skipped the tournament last year because of tendinitis in both knees.After Sunday's day off, Wimbledon resumes Monday with all 16 men's and women's fourth-round matches.