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Winston-Salem, N.C. • Mike Krzyzewski may have poured too much emotion into No. 4 Duke's trip to Wake Forest.

The rest of the Blue Devils didn't seem to have enough.

The Demon Deacons upset Duke 82-72 on Wednesday night after Coach K experienced enough dizziness and light-headedness to force him to kneel during a late timeout and skip his postgame news conference. Associate head coach Steve Wojciechowski — who filled in for him — says Krzyzewski has not been sick, is in good shape and expects to make a full recovery.

"There was a great emotional investment in the game," Wojciechowski said, "and I think maybe the emotion got the better of him."

The rest of the team might not have had that problem.

Duke (23-7, 12-5 Atlantic Coast Conference) was playing for the first time in over a week — after going 4-1 in an 11-day span before that — and Wojciechowski says the Blue Devils simply weren't prepared emotionally.

After taking a late seven-point lead, Duke went without a field goal for 5 critical minutes while allowing the Demon Deacons (16-14, 6-11) to reel off 17 straight points and go up by double figures.

"I'm not sure that ... we were as prepared from an emotional standpoint," Wojciechowski said. "I don't know if our guys had the needed edge to compete against a Wake Forest team that played their hearts out."

Tyler Cavanaugh scored a career-high 20 points, Travis McKie added 19 in his final scheduled home game and Codi Miller-McIntyre had 13 for the Demon Deacons.

No. 11 Louisville 84, No. 18 SMU 71 • In Dallas, Russ Smith scored 22 of his 26 points after halftime, including six 3-pointers, and Louisville became the first opponent to win in SMU's renovated home.

Smith hit three straight 3s right after his alley-oop pass on the go-ahead dunk by Montrezl Harrell midway through the second half. —

Wednesday's scores

• No. 3 Arizona 74,Oregon State 69

• Wake Forest 82,No. 4 Duke 72

• No. 8 Kansas 82,Texas Tech 57

• No. 9 Wisconsin 76,Purdue 70

• No. 10 San Diego State 73,UNLV 64

• No. 11 Louisville 84,No. 18 SMU 71

• Dayton 72,No. 17 Saint Louis 67

• No. 19 UConn 69,Rutgers 63

• No. 21 New Mexico 80,Air Force 52

• No. 23 Oklahoma 72,West Virginia 62