Iowa head coach Fran McCaffery reacts to a call in favor of Gonzaga during the first half in the Round of 32 in Seattle, Sunday, March 22, 2015. (AP Photo/Elaine Thompson)

Maryland head coach Mark Turgeon yells at his team in the first half against West Virginia in the Round of 32 in Columbus, Ohio, Sunday, March 22, 2015. (AP Photo/Paul Vernon)

Louisville coach Rick Pitino calls to his team during the first half against Northern Iowa in the Round of 32, Sunday, March 22, 2015, in Seattle. (AP Photo/Ted S. Warren)

Gonzaga head coach Mark Few reacts to a play against Iowa during the second half in the Round of 32, Sunday, March 22, 2015, in Seattle. Gonzaga beat Iowa 87-68. (AP Photo/Ted S. Warren)

Maryland head coach Mark Turgeon directs his team against West Virginia in the first half in the Round of 32 in Columbus, Ohio, Sunday, March 22, 2015. (AP Photo/Tony Dejak)

West Virginia head coach Bob Huggins yells at an official in the first half in the Round of 32 in Columbus, Ohio, Sunday, March 22, 2015. (AP Photo/Tony Dejak)

Kentucky head coach John Calipari shouts instructions to his team during the second half in Louisville, Ky., Saturday, March 21, 2015. (AP Photo/Timothy D. Easley)

Dayton head coach Archie Miller, left, signals his team in the second half against Oklahoma in the Round of 32 in Columbus, Ohio, Sunday, March 22, 2015. (AP Photo/Tony Dejak)

Wichita State coach Greg Marshall yells instructions past Wichita State's Ron Baker (31) during the first half in the Round of 32 in Omaha, Neb., Sunday, March 22, 2015. (AP Photo/Nati Harnik)

Kansas head coach Bill Self reacts to a call during the first half against Wichita State, Sunday, March 22, 2015, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Duke head coach Mike Krzyzewski and the bench react after a play against San Diego State in the Round of 32 in Charlotte, N.C., Sunday, March 22, 2015. (AP Photo/Gerald Herbert)

San Diego State head coach Steve Fisher argues a call during the first half against Duke in the Round of 32 in Charlotte, N.C., Sunday, March 22, 2015. (AP Photo/Gerald Herbert)