Atlantic Coast Conference

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Clemson head coach Brad Brownell reacts to a call during the second half of a quarterfinal NCAA college basketball game against Duke at the Atlantic Coast Conference tournament in Greensboro, N.C., Friday, March 14, 2014. (AP Photo/Gerry Broome)

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Duke head coach Mike Krzyzewski reacts to a call at the end of the first half of a quarterfinal NCAA college basketball game against Clemson at the Atlantic Coast Conference tournament in Greensboro, N.C., Friday, March 14, 2014. (AP Photo/Bob Leverone)

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Duke head coach Mike Krzyzewski reacts to a call at the end of the first half of a quarterfinal NCAA college basketball game against Clemson at the Atlantic Coast Conference tournament in Greensboro, N.C., Friday, March 14, 2014. (AP Photo/Bob Leverone)

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Duke's Rasheed Sulaimon (14) shoots as Clemson's Landry Nnoko (35) defends during the first half of a quarterfinal NCAA college basketball game at the Atlantic Coast Conference tournament in Greensboro, N.C., Friday, March 14, 2014. (AP Photo/Gerry Broome)

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Duke's Jabari Parker (1) dunks against Clemson during the first half of a quarterfinal NCAA college basketball game at the Atlantic Coast Conference tournament in Greensboro, N.C., Friday, March 14, 2014. (AP Photo/Gerry Broome)