Novak Djokovic makes a lunging motion during the BNP Paribas Showdown exhibition match against Andy Murray at Madison Square Garden on Monday March 3, 2014. Elsa / Getty Images / AFP
A wide view of Madison Square Garden in New York City, normally home to the NBA's New York Knicks and NHL's New York Rangers, hosting the BNP Paribas Showdown tennis exhibition between Novak Djokovic and Andy Murray on Monday March 3, 2014. Maddie Meyer / Getty Images / AFP
Andy Murray on the ground after a missed shot during the BNP Paribas Showdown exhibition against Novak Djokovic on Monday March 3, 2014 at Madison Square Garden. Elsa / Getty Images / AFP
Novak Djokovic serves with Madison Square Garden's bowl seating displayed in the background during the BNP Paribas Showdown against Andy Murray on Monday in New York City. Elsa / Getty Images / AFP
Andy Murray smiles during his exhibition match against Novak Djokovic on Monday. Elsa / Getty Images / AFP
Novak Djokovic checks Andy Murray's knee during the BNP Paribas Showdown at Madison Square Garden on Monday. Elsa / Getty Images / AFP
Novak Djokovic does a push up after an errant shot on Monday during the BNP Paribas Showdown exhibition match against Andy Murray. Kathy Kmonicek / AP
Andy Murray plays a shot between his legs during the BNP Paribas Showdown exhibition against Novak Djokovic on Monday at Madison Square Garden in New York City. Kathy Kmonicek / AP
Novak Djokovic brings a young fan onto the court during his BNP Paribas Showdown exhibition match against Andy Murray on Monday night in New York City's Madison Square Garden. Maddie Meyer / Getty Images / AFP
