Congratulations, Roger!

Records are like pie crusts; they are meant to be broken.

Aussie Roy Emerson's then-record 12 Grand Slam singles titles stood for 33 years until it was broken by Pete Sampras at Wimbledon 2000 for his 13th major. Sampras brought his tally up to 14 when he won his last Grand Slam title at the US Open in 2002.

Along came Roger Federer, who won his 15th major at Wimbledon 2009 and broke Pete's record which only lasted a mere 7 years. Federer also became the third man in almost 30 years to win the French Open-Wimbledon double, following Rafael Nadal's feat in 2008, and Bjorn Borg in '80. This helped Federer to regain the No. 1 ranking which he relinquished to Nadal last year.

How many more Grand Slam titles will Roger win before he hangs up his racket? And how long will his record stand? Now that he has 15 under his belt, 19 looks to be a good number to target. Why 19? It's the number of majors Federer's good friend Tiger Woods needs to achieve in order to break Jack Nicklaus' record of 18 Grand Slam titles in professional golf. At the moment, Woods has 14. After outpacing Roger the last few years, it's his turn to keep up with his buddy!