Kansas University freshman Kelly Oubre, Jr., sprained his left ankle at last week's LeBron James camp in Las Vegas and will be out of action up to a couple weeks, coach Bill Self said Monday.

Oubre, a 6-7 wing from Findlay Prep in Henderson, Nevada, has his foot in a walking boot. No surgery is necessary.

“He turned his ankle at the LeBron deal. He’ll be out for a little bit, but hopefully no more than a couple weeks,” Self told the Journal-World. “Tests were all negative. Everything’s fine, but he did sprain it pretty good.”

KU freshman Cliff Alexander recently sprained his right ankle at a KU workout two weeks ago and has been wearing a boot as well. No surgery is necessary.