Harrell had been projected as a possible late first-round NBA draft selection after becoming an imposing force on both ends for the Cardinals (31-6) last season. The 6-foot-8 power forward led Louisville with 8.4 rebounds per game, was second to Russ Smith in scoring at 14.0 points and just two behind blocks leader Mangok Mathiang with 49.
Cardinals coach Rick Pitino described Harrell's return as "obviously great news" in a release, adding that he believes his co-captain will benefit from playing another season.
A first-team all-American Athletic Conference selection, Harrell also set a Louisville season record with 97 dunks including several with enough force to leave basket supports shaking for several seconds after scoring.
