Happy 29th birthday to Spanish tennis great Rafael Nadal, congratulations to Billy Cunningham for his 72nd birthday, and a huge happy 40th birthday to Yelena Isinbayeva!

Rafael Nadal is a Spanish professional tennis player currently ranked world No. 7. He is widely regarded as the greatest clay court player in history and has been nicknamed "The King of Clay."

Billy Cunningham, won two NBA championships as a player and coach for the Philadelphia 76ers (72).

Yelena Isinbayeva, a two-time Olympic gold medalist and current pole vault world record holder in the event.