Getty Images 7 months ago

LOS ANGELES, CA - MAY 06: Luke Wilson (L) and Pete Sampras (R) attend the Los Angeles Lakers vs Houston Rockets game at Staples Center on May 6, 2009 in Los Angeles, California.

Former tennis star Pete Sampras watches the Los Angeles Lakers play the Houston Rockets during Game 2 of their NBA Western Conference semi-final basketball playoff game in Los Angeles May 6, 2009.

Pete Sampras of the US kisses the trophy after defeating Australia's Pat Rafter in the men's final at Wimbledon in this July 9, 2000 file photo.

Pete Sampras of the US celebrates defeating Australia's Pat Rafter in the men's final at Wimbledon, in this July 9, 2000 file photo.

Hong Kong actor Aaron Kwok (C) poses with Andre Agassi (L) of the U.S. and compatriot Pete Sampras before their exhibition tennis match at Venetian Macao in Macau October 25, 2009.

Andre Agassi (L) of the U.S. greets compatriot Pete Sampras after their exhibition tennis match at Venetian Macao in Macau October 25, 2009.

Andre Agassi (L) of the U.S. chats with compatriot Pete Sampras during an exhibition tennis match at Venetian Macao in Macau October 25, 2009.

Pete Sampras of the U.S. acknowledges spectators before an exhibition tennis match against compatriot Andre Agassi at Venetian Macao in Macau October 25, 2009.

Pete Sampras of the U.S. eyes the ball during an exhibition tennis match against compatriot Andre Agassi at Venetian Macao in Macau October 25, 2009.

Andre Agassi of the U.S. prepares to serve during his tennis exhibition match against compatriot Pete Sampras at Venetian Macao in Macau October 25, 2009.

Andre Agassi of the U.S. looks on during an exhibition tennis match against compatriot Pete Sampras at Venetian Macao in Macau October 25, 2009.

Andre Agassi of the U.S. returns applause from spectators after his exhibition tennis match against compatriot Pete Sampras at Venetian Macao in Macau October 25, 2009.

Pete Sampras of the U.S. reacts during an exhibition tennis match against compatriot Andre Agassi at Venetian Macao in Macau October 25, 2009.

Andre Agassi of the U.S. reacts during his exhibition tennis match against compatriot Pete Sampras at Venetian Macao in Macau October 25, 2009.

Andre Agassi of the U.S. returns a shot during an exhibition tennis match against compatriot Pete Sampras at Venetian Macao in Macau October 25, 2009.

Pete Sampras of the U.S. reacts during an exhibition tennis match against compatriot Andre Agassi at Venetian Macao in Macau October 25, 2009.

AP Photo 1 month ago

American Pete Sampras throws the ball during a friendly exhibition against Andre Agassi at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

American Andre Agassi, left, Hong Kong singer Aaron Kwok and American Pete Sampras pose before a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two tennis greats revisited one of the sport's greatest rivalries in the 1990s.

AP Photo 1 month ago

American Pete Sampras walks by a cheer girl before a friendly exhibition against Andre Agassi at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

Andre Agassi reacts during a friendly exhibition against Pete Sampras at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two American tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

Andre Agassi returns the ball to Pete Sampras during a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two American tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

Pete Sampras returns the ball to Andre Agass during a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two American tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

Americans Andre Agassi, left, shares a light moment with Pete Sampras after a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two tennis greats revisited one of the sport's greatest rivalries in the 1990s. They last played in the U.S. Open final in 2002.

AP Photo 1 month ago

American Andre Agassi gives a fly kiss to fans after defeated by Pete Sampras during a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two tennis greats revisited one of the sport's greatest rivalries in the 1990s.

AP Photo 1 month ago

Andre Agassi returns the ball to Pete Sampras during a friendly exhibition at the Venetian Hotel in Macau Sunday, Oct. 25, 2009. The two American tennis greats revisited one of the sport's greatest rivalries in the 1990s.