President Barack Obama says nothing is more relaxing than a game of pickup hoops. Here he is in action during an April 2008 game in Chapel Hill, N.C.
President Obama greets Tiger Woods during the "We Are One" Inaugural celebration in Washington, D.C.
Obama throws out the ceremonial first pitch before Game 2 of the ALCS between the White Sox and Angels at U.S. Cellular Field.
Former President George W. Bush is presented with an autographed jersey by Red Sox catcher Jason Varitek during a ceremony honoring the 2007 World Series champions.
Bush, celebrating the Fourth of July holiday in Philadelphia, poses with the Phanatic in 2001.
Bush cheers for Will Clark and the Texas Rangers at The Ballpark in Arlington. Bush was the managing general partner for the Rangers before his 1994 gubernatorial win.
Former President William Jefferson Clinton holds the Stanley Cup trophy with the Detroit Red Wings during a White House East Room ceremony in 1998.
Clinton gets a hug from Shaquille O'Neal on Sept. 22, 1995, after his speech to the Santa Ana Boys and Girls Club.
One hundred thousand cards showing Clinton at the White House in a University of Arkansas basketball jacket were distributed by the city of Hot Springs, Ark. to promote Clinton's hometown.
Former Presidents Clinton and George H. W. Bush greet fans as they arrive for Super Bowl XXXIX between the Patriots and Eagles at Alltel Stadium.
George H. W. Bush poses in his baseball uniform as a student at Yale University. Bush was the first baseman on the Yale team that lost to California in the first College World Series in Kalamazoo, Mich. in 1947.
John McEnroe talks with George H. W. Bush, in the Royal Box on the Center Court at Wimbledon, July 2, 1997.
George H. W. Bush prepares to tee off during a game at Cape Arundel golf course in Kennebunkport, Me., Aug. 10, 1997.
Former President Jimmy Carter jokes with Cal Ripken Jr. and Chipper Jones before a 2004 Braves game in Atlanta.
Carter throws out the first ball to start the Braves first home game of the 1983 season against the Padres.
Former President Ronald Reagan displays a "Reagan 84" jersey during a rally in Dallas. With him are Cowboys' head coach Tom Landry, left, and quarterback Roger Staubach.
Cubs broadcaster Harry Caray is joined in the booth by Reagan during a surprise visit to Wrigley Field in Chicago.
Indiana coach Bobby Knight and his players bow their heads in silence on March 30, 1981 for a wounded President Reagan.
A photo provided by the University of Michigan shows President Gerald Ford with Michigan football coach Bo Schembechler.
Former President Richard Nixon throws out the ceremonial first pitch April 7, 1969, as Commissioner Bowie Kuhn and Washington Senators manager Ted Williams look on.