Rafael Nadal insists his injured wrist is improving as he prepares for his U.S. Open first-round match.
Novak Djokovic, the world's top-ranked player, also has a sore wrist just days out from his first-round match.
Nadal returned to competition and won a doubles gold medal at 2016 Rio Olympics. He also reached the semifinals in singles.
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"Well, I am better. I am a little bit better. It's obvious that when you have been out for two and a half months you need a little bit of time," Nadal, 30, said Friday.