You already know that Ray Lewis knows how to motivate football players. And, basketball players. And, hell, a whole range of other athletes. But, did you know that he also serves as motivation for NASCAR drivers?

Driver Brad Keselowski is on the brink of winning the NASCAR Sprint Cup Championship. So, late last night, he took to Twitter to explain where he gets his motivation to win. And, oddly enough, he says he found it by watching a Ray Lewis promo for Madden 13.

It's official: Ray Lewis is the greatest motivator ever. As if you didn't know that already…

RELATED: Ray Lewis' Greatest Motivational Speeches

RELATED: Brad Keselowski's 10 Best Tweets From the Daytona 500

[via From The Marbles]