http://www.youtube.com/watch?v=WjpyJc-67TI
The math behind the achievement. With his 6-1, 7-6 (1), 6-4 win over Robin Soderling at Sundays French Open final, Roger Federer is now tied with Pete Sampras for the most-ever Grand Slam titles at 14.
This video was posted by Roger in his facebook account.