Olympians and other athletes playing politics

LeBron James looks on during an Olympic warm-up game against Argentina at the Palau Sanrt Jordi Arena in Barcelona, on July 22, 2012. In 2008, James donated $20,000 to the Democratic White House Victory Fund.

Andre Agassi donated to Harry Reid

Andre Agassi celebrates as he stands as the men's tennis singles gold medal winner during the XXVI Olympic Games at the Stone Mountain Tennis Center on August 3, 1996 in Atlanta, Georgia. Agassi and his wife, Steffi Graf, each donated $14,800 to the "Reid Victory Fund" in 2009, a committee for Senate Majority Leader Harry Reid, D-Nev.

Dorothy Hamill supports Romney

Former NFL player and 2006 Pa. gubernatorial candidate Lynn Swann (R) and former Olympic figure skater, Dorothy Hamill at the Republican National Convention in 2004. Hamill reportedly attended Mitt Romney's Utah retreat in June where she and Ann Romney hosted a session over tea.

Hank Aaron donated to Hillary Clinton

Baseball legend Hank Aaron President Clinton's final State of the Union address in 2000. In 2007, Aaron donated $2,300 to Hillary Clinton's presidential campaign.

Charles Barkley donated to John Edwards

Former NBA basketball player Charles Barkley stands on the floor during day two of the Democratic National Convention (DNC) at the Pepsi Center August 26, 2008 in Denver, Colorado. Barkley donated $2,000 to John Edwards' presidential campaign in 2004.

Vince Carter holds fundraiser for Obama

Vince Carter during the 2010 NBA Playoffs on May 26, 2010 in Orlando, Fla. Carter hosted a $30,000-per-person fundraiser for President Obama in 2012. Other NBA stars attendance included Magic Johnson, Chris Paul, and Alonzo Mourning.

Troy Aikman donated to John McCain

(L-R) Sen. John McCain, R-Ariz., greets Troy Aikman at the NASCAR Nextel Cup Series SUBWAY Fresh 500 on April 22, 2006 in Phoenix. Aikman donated $2,300 to McCain's presidential campaign in 2008.

John Elway donated to John McCain

McCain, former Denver Broncos quarterback John Elway, and Sen. Lindsey Graham, R-S.C., at Conway's Red Top, Oct. 24, 2008, in Colorado Springs, Colo. In 2008, Elway donated $20,000 to John McCain joint campaign fund with the Republican National Committee.

Dan Jansen endorses Mitt Romney

Speed skater Dan Jansen during the men's 1000m event at the 1988 Winter Olympic Games in Calgary. Jansen has endorsed Mitt Romney and said he believes Romney's role as head of the Salt Lake City Olympics is an indicator of how he would do as president.

Navratilova donated to Edwards, Clinton and Obama

Tennis player Martina Navratilova during a gay rights march on April 30, 2000 in Washington, D.C. Navratilova donated $1,000 each to John Edwards, Hillary Clinton and Barack Obama in 2008.

Steffi Graf donated to Harry Reid

Tennis players Gabriela Sabatini (L) and Steffi Graf (R) at the SAP Arena in Mannheim, Oct. 15, 2005. Graf and her husband, Andre Agassi, each donated $14,800 to the Reid Victory Fund in 2009, a committee for Senate Majority Leader Harry Reid, D-Nev.

Karl Malone donated to George W. Bush

Karl Malone during the 1996 Olympic Games in Atlanta. Malone donated $2,000 to George W. Bush in 2004.

Peyton Manning donated to George W. Bush

President George W. Bush with NFL player Peyton Manning (L) and former coach Tony Dungy at the White House April 23, 2007. Manning donated $2,000 to Bush in 2004.

Arnold Palmer donated to John McCain

Golfer Arnold Palmer at The Woodlands Country Club on May 5, 2012 in The Woodlands, Tex. Palmer donated $1,000 to John McCain's presidential campaign in 2008.

Alex Rodriguez donated to George W. Bush

Alex Rodriguez on July 6, 2011 in Cleveland, Ohio. Rodriguez donated $2,000 to George W. Bush in 2004.

Nolan Ryan donated to John McCain

Former baseball player Nolan Ryan at the 2010 MLB World Series in Arlington, Tex., on Oct. 30, 2010. In 2008, Ryan donated $2,300 to John McCain's campaign.

Lynn Swann endorses Mitt Romney

Former NFL player and 2006 Pa. gubernatorial candidate Lynn Swann and President George W. Bush in Lancaster, Pa., on Aug. 16, 2006. Swann has endorsed Mitt Romney, returning the favor after Romney campaigned for Swann in 2006.