Courtesy of MMA legend, Frank Shamrock, who wants to remind you that "a good knee will destroy you." Shamrock will be commentating this weekend's EliteXC MMA event, which features Robbie Lawler vs. Scott Smith in a rematch of their meeting earlier this year, a fight that was stopped early,   more...

Talking about the basics of mixed martial arts - MMA. From armbar to leg locks and chokes to ground and pound.