UFC welterweights Nick Diaz and Carlos Condit will battle one another on Feb. 4 for the UFC interim welterweight title at UFC 143 which will take place at the Mandalay Bay Events Center in Las Vegas, Nevada. The welterweight clash between Josh Koscheck and Mike Pierce is also featured in the video. Mike Pierce publicly called out Koscheck, accusing him of ducking a fight with him in the past. Be sure to make Pro MMA Now your home for UFC 143 coverage all next week!