Krzyzewski has knee-replacement surgery

Duke coach Mike Krzyzewski underwent total left knee replacement surgery Sunday, the school announced.

The operation was performed at Duke University Medical Center by Michael Bolognesi.

Krzyzewski, 69, is expected to be released from the hospital within three days. He will begin a rehab program at Duke upon being released.

Krzyzewski is scheduled to coach the U.S. men’s basketball team in the summer Olympic Games in Rio de Janeiro.

Krzyzewski previously had both hips replaced — the left hip in 1999 and the right one in 2002.

Heisman winner arrested on DUI

Former Ohio State quarterback and Heisman Trophy winner Troy Smith was arrested and charged with drunk driving early Sunday morning in a suburb of Columbus, Ohio.

According to the police report, Westerville Police started following Smith at 2:38 a.m. after an officer noticed his car did not have a front license plate. The officer said Smith was weaving in his lane and pulled him over.

Smith was given a breathalyzer test at the police station, according to the report, and registered a .143 blood-alcohol content. The legal limit is .08.

Officers also found two rolled cigarettes that contained marijuana in Smith’s car, police said.

Smith, 31, has been charged with operating a vehicle under the influence, possession of marijuana and improper display of a license plate.

Smith won the Heisman Trophy in 2006, was picked in the fifth round of the 2007 NFL Draft by the Baltimore Ravens and spent four years in the league.