Jabari Parker at Duke and in high school

Parker reacts against the Boston College Eagles during the first half at Silvio O. Conte Forum.

Duke Blue Devils forward Jabari Parker (1) goes up for a rebound in the first half against the Georgia Tech Yellow Jackets at Hank McCamish Pavilion.

Parker blocks the shot of Maryland Terrapins guard/forward Jake Layman (10) at Cameron Indoor Stadium.

Parker dunks against the Wake Forest Demon Deacons at Cameron Indoor Stadium.

Duke Blue Devils head coach Mike Krzyzewski talks to forward Jabari Parker in the second half at Dean E. Smith Center.

Duke Blue Devils forward Jabari Parker (1) looks to take a shot with Syracuse Orange center Baye-Moussa Keita (12) defending during the second half of a game at the at Carrier Dome.

Duke Blue Devils forward Jabari Parker (1) reacts after scoring against the Wake Forest Demon Deacons at Cameron Indoor Stadium.

Duke Blue Devils forward Jabari Parker (1) makes a dunk shot with Syracuse Orange forward C.J. Fair (5) looking on during the second half of a game at the at Carrier Dome. Syracuse won the game, 91-89.

Duke Blue Devils forward Jabari Parker (1) dunks over North Carolina State Wolfpack forward Kyle Washington (32) at Cameron Indoor Stadium.

Pittsburgh Panthers students attempt to distract Parker as he shoots a free throw during the first half at the Petersen Events Center.

Parker (1) and forward Josh Hairston (15) and guard Rasheed Sulaimon (14) head to the bench for a timeout against the North Carolina State Wolfpack at Cameron Indoor Stadium.

Parker drives to the basket between UCLA Bruins guard Jordan Adams (3) and forward Travis Wear (left) during the first half at Madison Square Garden.

Parker pauses in the first half against the Notre Dame Fighting Irish at the Purcell Pavilion.

Parker shoots over Eastern Michigan Eagles forward Mo Hughley (3) during the game at Cameron Indoor Stadium.

Parker dunks against the North Carolina State Wolfpack at Cameron Indoor Stadium.

Duke Blue Devils forward Jabari Parker boxes out Michigan Wolverines forward Jon Horford during a free throw attempt.

Duke Blue Devils forward Jabari Parker dribbles against the Arizona Wildcats during the second half.

Duke Blue Devils forward Jabari Parker drives to the basket against Alabama Crimson Tide forward Shannon Hale during the second half.

Duke Blue Devils forward Jabari Parker defends Vermont Catamounts forward Brian Voelkel.

Duke Blue Devils forward Jabari Parker (1) shoots against the East Carolina Pirates defense at Cameron Indoor Stadium.

Duke Blue Devils forward Jabari Parker (1) dunks over East Carolina Pirates guard Antonio Robinson (11) at Cameron Indoor Stadium.

Duke Blue Devils forward Jabari Parker (1) dunks against the East Carolina Pirates at Cameron Indoor Stadium.

Duke Blue Devils forward Jabari Parker (1) defended by Kansas Jayhawks forward Perry Ellis (34) in the second half at United Center. Kansas won 94-83.

Duke Blue Devils forward Jabari Parker (1) shoots over Kansas Jayhawks center Joel Embiid (21) in the second half at United Center.

Duke Blue Devils forward Jabari Parker (1) drives against Kansas Jayhawks forward Jamari Traylor (31) and forward Perry Ellis (34) in the second half at United Center.

No. 3 seed Duke.

Jabari Parker was the No. 2 prospect coming out of high school in the 2013 class.

Simeon Academy basketball star Jabari Parker announces he will be attending Duke during a news conference at his high school on Dec. 20.

Simeon's Jabari Parker dunks the ball during an Illinois state super sectional playoff game against Evanston on March 13, 2012 in Chicago.

Jabari Parker, center, celebrates with his Simeon Academy teammates after winning an Illinois state super sectional playoff game on March 13, 2012, in Chicago.

Chicago's Jabari Parker dons a Duke cap after announcing his college choice at a Dec. 20 news conference. Parker picked the Blue Devils over Michigan State, Florida, BYU and Stanford.

Jabari Parker talks on the phone with Duke head coach Mike Krzyzewski in the Simeon Academy locker room after announcing his college choice on national television.

Simeon Academy's Jabari Parker (22) drives to the basket past an unidentified Marist High School player during an Illinois state sectional championship game in Summit, Ill, on March 9, 2012.

Jabari Parker, left, is congratulated by NBA great Alonzo Mourning after Parker is named Gatorade National Boys Basketball Player of the Year, on April 12, 2012. Mourning, a winner of the award himself, surprised Parker with the news during his Spanish class.

Jabari Parker walks down hallway at Chicago's Simeon Academy hallway after he is named the Gatorade National Boys Basketball Player of the Year on April 12, 2012.

Simeon Academy's Jabari Parker, a 6-8 forward, looks to make a move against Findlay forward Winston Shepard, right, during a Jan. 16, 2012, game in Springfield, Mass.