DURHAM, N.C. (AP) — Duke Hall of Fame coach Mike Krzyzewski didn’t coach the second half of ninth-ranked Duke’s 76-74 win against Wake Forest on Tuesday night.

Krzyzewski, who is retiring after this season, wasn’t with the team as it returned to the court from the locker room after halftime. The team’s official Twitter account later posted that Krzyzewski was “not feeling well” and wouldn’t return.

Associate head coach Jon Scheyer, who has been designated as Krzyzewski’s successor for next season, took over as the teams began second-half play.

“He spoke to our team after the game,” Scheyer said. “He was still in the building and we got to see him for a few minutes. He was happy, but he needs to take care of himself right now and go from there.”

Krzyzewski turned 75 on Sunday, and was dealing with an apparent issue roughly midway through the first half, holding his forehead while Scheyer and fellow associate head coach Chris Carrawell seemed to be checking on him from either side on the bench. During a later timeout, trainer Jose Fonseca checked on Krzyzewski both at the beginning and the end of the stoppage.

But by the end of the first half, Krzyzewski appeared to be fine, standing up to applaud or shout instructions to his players.

Duke blew a 19-point second-half lead but won on Mark Williams’ putback dunk with 0.4 seconds left.

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