Heisman Trophy winner Cam Newton appeared on Letterman Monday night to present the "Top 10 Things Cam Newton Can Say Now That He Won The Heisman Trophy." Before he started, Letterman said if he looked like Newton, "you could call kiss my ass." Newton said he swallowed 11 mouth guards this season and eventually admitted that he has "Bieber Fever." The Auburn quarterback also revealed the name of the new cologne. Scroll down to watch the video.