Top 10 scorers in Butler men's basketball history Scott Horner/IndyStar
Those 20 hours have been looming. They've been nagging Shelvin Mack in a not-so-subtle way. Those 20 hours are the type of unfinished business Mack hates.
They were there when he hung up his Butler basketball jersey for the tantalizing hardwood courts of the pros. They were, in his mind, the only con of heading to the NBA, outweighed by a million good reasons.
Mack left Butler in 2011 after three seasons, coming off a golden NCAA tournament run, leading the Bulldogs to two straight national title games.