Lyoto Machida's next bout will be unlike any he's had before

Even with his dance partner being a friend? This is not entirely unprecedented for Machida. He did face his older brother, Chinzô, in a karate tournament in

Even with his dance partner being a friend? This is not entirely unprecedented for Machida. He did face his older brother, Chinzô, in a karate tournament in Brazil. But that experience won't make this weekend any more pleasant. "It's very weird for me to face my friend Muñoz, but that is a part of my job," said Lyoto. "I have to face this as a professional. We're both professionals. And after our fight we're going to be friends again. We're always friends."