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Chael Sonnen's mother has special role

The brash UFC star has a unique relationship with his mother Claudia.

Chael Sonnen's mother has special role 0:48

The brash UFC star has a unique relationship with his mother Claudia.
UFC 158 highlights: Condit vs. Hendricks 0:40

UFC 158 highlights: Condit vs. Hendricks
UFC 158 highlights: Ricci vs. Fletcher 0:35

UFC 158 highlights: Ricci vs. Fletcher
UFC 158 highlights: St-Pierre vs. Diaz 0:45

UFC 158 highlights: St-Pierre vs. Diaz
UFC 158 highlights: Ellenberger vs. Marquardt 0:26

UFC 158 highlights: Ellenberger vs. Marquardt
UFC 158 highlights: Ring vs. Camozzi 0:26

UFC 158 highlights: Ring vs. Camozzi
Who would Ronda Rousey fight out of anyone in history? 3:52

The female MMA star reveals which historical figure she'd most want to meet in the octagon.
Five questions with Ronda Rousey 3:49

The UFC's newest star talks about early success and being a sex symbol.
Ronda Rousey feels like she has a lot to prove 0:39

The UFC women's bantamweight champ is looking forward to making her mark in the sport.
Ronda Rousey on Liz Carmouche 0:44

The outspoken fighter talks about her opponent in UFC 157.
UFC 156 highlights: Evans vs. Nogueira 0:30

UFC 156 highlights: Rashad Evans vs. Antonio Rogerio Nogueira
UFC 156 highlights: Fitch vs. Maia 0:47

UFC 156 highlights: Jon Fitch vs. Demian Maia