Preston Knowles #2 of the Louisville Cardinals and Garrett Butcher #32 of the Butler Bulldogs reach for a loose ball during the game at the KFC Yum! Center on November 16, 2010 in Louisville, Kentucky. Louisville won 88-73.

Eric Bledsoe #24 of the Kentucky Wildcats defends Preston Knowles #2 of the Louisville Cardinals at Rupp Arena on January 2, 2010 in Lexington, Kentucky. Kentucky won 71-62.

Preston Knowles #2 of the Louisville Cardinals reacts after coming out of the game because of an injury while playing against the Morehead State Eagles during the second round of the 2011 NCAA men's basketball tournament at Pepsi...More

Preston Knowles #2 of the Louisville Cardinals reacts after losing to the Cincinnati Bearcats during the second round of 2010 NCAA Big East Tournament at Madison Square Garden on March 10, 2010 in New York City.

Preston Knowles of Giorgio Tesi Group competes Tomas Ress (L) and Jarrius Jackson (R) of Umana during the LegaBasket match between Reyer Umana Venezia vs Olimpia Giorgio Tesi Group Pistoia at Palasport Taliercio on April 17, 2016 in...More

Preston Knowles in action during the LegaBasket match between Openjobmetis Varese vs Pistoia at Palasport Masnago on April 3, 2016 in Varese, Italy. Openjobmetis Varese won 91 to 78.

Simone Fontecchio of Obiettivo Lavoro competes with Preston Knowles (L) and Ariel Filloy (R) of Giorgio Tesi Group during the match of LegaBasket between Virtus Obiettivo Lavoro and Olimpia Giorgio Tesi Group Pistoia at Unipol Arena on...More

Preston Knowles (13) and L. D. Williams of the Springfield Armor team up to force a turnover by Xavier Silas (13) of the Maine Red Claws during the game on March 2, 2012 at the Portland Expo in Portland, Maine.

Preston Knowles #13 of the Springfield Armor shoots from outside defended by Eric Devendorf #18 of the Reno Bighorns at the MassMutual Center on January 28, 2012 in Springfield, Massachusetts.