Why is Federer called "Niu" and Nadal called "Natto"?

After Federer won Wimbledon for the first time in 2003, the Swiss got a cow named Juliet, so everyone called him a cow.

Nadal's English name is Nadal. Does that sound like it? natto

By the way, I like cows.

Remember to add Federer's club /club/9424024/t if you like? from=loginbar

Federer will always be king! ! ! !