Andre Agassi attends World Tennis Day Showdown press conference ahead of his participation in World Tennis Day Showdown today, where Agassi will play Sampras, and Lendl will play Cash in memory of their 'epic Grand Slam rivalries’, at The Athenaeum Hotel, 116 Piccadilly, London, United Kingdom. Monday, 3rd March 2014. Picture by Nils Jorgensen / i-Images