Josh Cribbs on Friday defended Steelers linebacker James Harrison for his vicious style of play and the fact he tries to knock players out of games. In fact, he may have helped talk Harrison -- his good friend and fellow former Kent State Golden Flash -- out of retiring this week by urging him to continue playing his bone-rattling brand of football. "He plays to knock people out," said Cribbs, who will return to action Sunday in New Orleans after Harrison's helmet- to-helmet hit knocked him out of the game against the Steelers last week with a concussion. "Wouldn't you want a linebacker like that on your team? Honestly, a guy that you know is going to try to knock the key players out