NBABarack Obama: The NBA's presidentThis Sunday, May 4, 2008 file photo shows then Democratic presidential hopeful, Sen. Barack Obama, D-Ill., as he plays basketball at Riverview Elementary School in Elkhart, Ind.Jae C. Hong, APPresident Barack Obama, right, a Chicago Bulls fan, reacts to a Bulls score while surrounded by Washington Wizards fans during the fourth quarter of their NBA basketball game on Friday, February 27, 2009 in Washington.Evan Vucci, APIn this Friday, Feb. 27, 2009 file photo, President Barack Obama attends the Washington Wizards game against the Chicago Bulls at the Verizon Center.Gerald Herbert, APPresident Barack Obama shares a laugh with members of the Los Angeles Lakers in the East Room of the White House in Washington, Monday, Jan. 25, 2010.Alex Brandon, APPresident Barack Obama stands with Los Angeles Lakers guard Kobe Bryant in the East Room of the White House in Washington, Monday, Jan. 25, 2010.Charles Dharapak, APPresident Barack Obama holds a signed basketball given him during a ceremony in the East Room of the White House in Washington, Monday, Jan. 25, 2010.Alex Brandon, APPresident Barack Obama and Kobe Bryant join children to pack gifts for troops and homeless people at a Boys and Girls Club in Washington on December 13, 2010.Jewel Samad, AFP/Getty ImagesPresident Barack Obama poses for photographs with the Los Angeles Lakers, including guard Kobe Bryant, during an event to honor the NBA champions in Washington, Monday, Dec. 13, 2010, at the Boys and Girls Club of Greater Washington.Evan Vucci, APPresident Barack Obama shoots a basketball while participating in a "Let's Move" clinic with members of the NBA, WNBA and the Harlem Globetrotters during the White House Easter Egg Roll on the South Lawn, April 25, 2011 in Washington, DC.Chip Somodevilla, Getty ImagesPresident Barack Obama greets NBA legend Bill Russell after speaking during a Democratic National Committee event at the Adrienne Arsht Center in Miami, Florida, June 13, 2011.Saul Loeb, AFP/Getty ImagesPresident Barack Obama smiles as he is introduced by Hall of Famer Bill Russell during a Democratic fundraiser at the Paramount Theater, Sunday, Sept. 25, 2011, in Seattle.Pablo Martinez Monsivais, APPresident Barack Obama greets guests in the East Room of the White House in Washington, Monday, Jan. 9, 2012, after a ceremony honoring the 2011 NBA champion Dallas Mavericks.Haraz N. Ghanbari, APPresident Barack Obama is given a jersey from Dirk Nowitzki of the Dallas Mavericks during an event to honor the NBA champions in the East Room at the White House on January 9, 2012 in Washington, DC.Mark Wilson, Getty ImagesPresident Barack Obama and first lady Michelle Obama look up at themselves on the large in-house video screen for the "Kiss Cam"while watching the first half of Team USA and Brazil in an Olympic men's exhibition basketball game Monday, July 16, 2012, in Washington.Alex Brandon, APPresident Barack Obama dances to the music with first lady Michelle Obama and daughter Malia Obama while attending Team USA and Brazil in an Olympic men's exhibition basketball game, Monday, July 16, 2012, in Washington.Alex Brandon, APDwyane Wade shaking hands with President Obama as the White House honors the NBA champion Miami Heat.Jack Gruber, USATLeBron James expressing emotion about being at the White House while presenting a team signed basketball to President Barack Obama.Jack Gruber, USATPresident Barack Obama shakes hands with former NBA player Alonzo Mourning at Grande Oaks golf club, Saturday, Nov. 9, 2013 in Ft. Lauderdale, Fla.Pablo Martinez Monsivais, APChris Paul of the Los Angeles Clippers introduces President Barack Obama at the Walker Jones Education Campus on July 21, 2014 in Washington, DC.Mark Wilson, Getty ImagesFormer NBA player Alonzo Mourning and President Barack Obama ride in a golf cart while golfing at Farm Neck Golf Club, in Oak Bluffs, Mass.Steven Senne, APPresident Barack Obama shakes hands with San Antonio Spurs head coach Gregg Popovich during a ceremony honoring the NBA champion Spurs in the East Room at The White House.Geoff Burke, USA TODAY SportsPresident Barack Obama accepts a San Antonio Spurs jersey from team members Tim Duncan, Manu Ginobili and Tony Parker.Pablo Martinez Monsivais, APRay Allen and President Barack Obama talk as they sit in a cart while golfing, Wednesday, Aug. 12, 2015, at Farm Neck Golf Club, in Oak Bluffs, Mass., on the island of Martha's Vineyard.Steven Senne, APPresident Barack Obama speaks with Stephen Curry while golfing, Friday, Aug. 14, 2015, at Farm Neck Golf Club in Oak Bluffs, Mass.Steven Senne, APNBA basketball player Stephen Curry returns a club to the cart as President Barack Obama prepares to drive, Friday, Aug. 14, 2015, at Farm Neck Golf Club, in Oak Bluffs, Mass.Steven Senne, APUnited States president Barack Obama during a game between the Chicago Bulls and the Cleveland Cavaliers at the United Center.Dennis Wierzbicki, USA TODAY SportsStephen Curry laughs with teammates as President Barack Obama speaks during a ceremony honoring the 2015 NBA champion Warriors in the East Room at the White House.Geoff Burke, USA TODAY SportsPresident Barack Obama is presented a jersey by Cleveland Cavaliers forward Kevin Love at an event honoring the 2016 NBA world champion Cavaliers on the South Lawn at the White House.Geoff Burke, USA TODAY SportsPresident Barack Obama shakes hands with NBA legend Kareem Abdul-Jabbar shortly before presenting him with the Presidential Medal of Freedom, the nation's highest civilian honor, during a ceremony honoring 21 recipients, in the East Room of the White House in Washington, DC, Nov. 22, 2016.Saul Loeb, AFP/Getty ImagesPresident Barack Obama, reacts as NBA legend Michael Jordan playfully looms over him at a Presidential Medal of Freedom ceremony in the East Room of the White House, Tuesday, Nov. 22, 2016, in Washington.Andrew Harnik, AP