Ten burning questions for the 2013 NBA draft

The Cavaliers are expected to choose between Nerlens Noel (left) and Alex Len at No. 1.

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Detroit's Ray McCallum had a strong performance at the combine, with several scouts commenting he had better size (6-foot-2) and feel for the game than they expected. If McCallum was a better three-point shooter (32.3 percent last season) he would likely be a first-round pick. But a team looking for an NBA-ready backup point guard with potential could get a steal in McCallum in the second round.