Detroit Lions DT Ndamukong Suh has the reputation of being a dirty player on the field. He was recently fined by the league $10,000 for his extra curricular activities. There are a number of highlights of him beating on players unnecessarily. For some reason I think most of those highlights of him beating on Jay Cutler.
His teammates have no idea how to deal with him and they say that he is a beast in practice as well.
“Even in practice, Ndamukong gives guys the business,” Glazer said. “He’ll slam a guy’s head against the ground. He’ll stomp on a guy. He’ll take little shots at guys. And guys are concerned if he can’t control himself even in practice with us, how can he control himself against someone else’s jersey?” – Pro Football Talk
It sounds like he practices his trash talk and antagonizing with his own teammates. It goes to show you: Practice makes perfect. Keep practicing and you can be as big of a jerk on the field as Ndamukong.