Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, celebrates after defeating Novak Djokovic, of Serbia, in their semifinal match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Rafael Nadal, of Spain, returns a shot against Tomas Berdych, of the Czech Republic, during their match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Novak Djokovic, of Serbia, returns a shot to Juan Martin del Potro, of Argentina, in their semifinal match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, celebrates winning a game over Novak Djokovic, of Serbia, in a semifinal at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, returns a shot to Novak Djokovic, of Serbia, in their semifinal match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Rafael Nadal, of Spain, serves against Tomas Berdych, of the Czech Republic, during their match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Novak Djokovic, of Serbia, reacts after losing a point to Juan Martin del Potro, of Argentina, in their semifinal match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Tomas Berdych, of the Czech Republic, returns a shot against Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Novak Djokovic, of Serbia, returns a shot to Juan Martin del Potro, of Argentina, in their semifinal match at the BNP Paribas Open tennis tournament on Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Tomas Berdych, of the Czech Republic, returns a shot against Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament on Saturday, March 16, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, returns a shot to Novak Djokovic, of Serbia, in a semifinal at the BNP Paribas Open tennis tournament, Saturday, March 16, 2013, in Indian Wells, Calif. Del Potro won 4-6, 6-4, 6-4.
Mark J. Terrill
AP Photo - Maria Sharapova, of Russia, serves against Caroline Wozniacki, of Denmark, during their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Maria Sharapova, of Russia, returns against Caroline Wozniacki, of Denmark, during their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Caroline Wozniacki, of Denmark, makes a return against Maria Sharapova, of Russia, during their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Caroline Wozniacki, of Denmark, reaches for a return against Maria Sharapova, of Russia, during their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Maria Sharapova, of Russia, celebrates her win over Caroline Wozniacki, of Denmark, in their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif. Sharapova won 6-2, 6-2.
Mark J. Terrill
AP Photo - Maria Sharapova, of Russia, makes a return against Caroline Wozniacki, of Denmark, during their match at the BNP Paribas Open tennis tournament on Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Caroline Wozniacki, of Denmark, makes a return against Maria Sharapova, of Russia, during their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Maria Sharapova, of Russia, poses with the trophy after defeating Caroline Wozniacki, of Denmark, 6-2, 6-2 in their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Rafael Nadal, of Spain, makes a return against Juan Martin del Potro, of Argentina, during their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Rafael Nadal, of Spain, reacts after winning a game against Juan Martin del Potro, of Argentina, during their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, makes a return against Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Rafael Nadal, of Spain, reacts to winning his match against Juan Martin del Potro, of Argentina, 4-6, 6-3, 6-4 at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.
Mark J. Terrill
AP Photo - Juan Martin del Potro, of Argentina, makes a return against Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament, Sunday, March 17, 2013, in Indian Wells, Calif.