It will be a big night on March 5th at Madison Square Garden in New York, when the BNP Paribas Showdown exhibition event takes place between Maria Sharapova and Caroline Wozniacki, and Roger Federer and Andy Roddick.

Tickets cost $50 or $100, but mariasharapova.com has announced a special discount via Ticketmaster of a $10 discount. Under "Promotions and Special Offers" enter the code: 10SHARAPOVA