Duke head coach Mike Krzyzewski directs his team during practice at the NCAA college basketball tournament in Raleigh, N.C., Thursday, March 20, 2014. Duke plays Mercer in a second-round game on Friday

AP - Sports
Duke head coach Mike Krzyzewski directs his team during practice at the NCAA college basketball tournament in Raleigh, N.C., Thursday, March 20, 2014. Duke plays Mercer in a second-round game on Friday
Duke head coach Mike Krzyzewski directs his team during practice at the NCAA college basketball tournament in Raleigh, N.C., Thursday, March 20, 2014. Duke plays Mercer in a second-round game on Friday. (AP Photo/Gerry Broome)
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