Coach Scott Brooks said following the first of Wednesday's two-a-day sessions that Harden sustained a mild rolled ankle during a routine pick-and-roll play but "probably would be back" for the evening portion. Harden, however, left the team's training facility walking with the aid of one crutch, which could be a preventative measure or indicate the injury is more serious.

Harden wasn't available for comment.

On Tuesday's opening day of camp, Harden was poked in the eye by a teammate and had to leave the court near the conclusion of practice to receive treatment. A team spokesman said the injury was minor and Harden would practice in Tuesday's night session.

"Both of them, his eye and then his ankle, those things happen when you play hard and compete," Brooks said. "That's the game. You can't go a game or a season without being nicked up sometimes. Hopefully, he gets his out of the way early."

D.J. WHITE GETTING FIRST TASTE OF TRAINING CAMP

Forward D.J. White is experiencing his first NBA training camp after missing all of last season's because of a benign growth in his jaw. But the 29th overall pick in 2008 said Wednesday that being around the team last year, even though he couldn't compete, has helped him not be so wide-eyed now that he's involved in the action.

"It's basically my first training camp," White said. "I'm just happy to be healthy and get ready for the season. It's not really different. Last year, I got the chance to play the last (seven) games of the year. I got a chance to learn the plays then, and through summer league I got a chance to learn the plays. And as they're introducing them now it's not new to me. So it's no setback. I remember everything. I'm just trying to learn like everybody else."

KEEPING AN EYE ON KRSTIC

Nenad Krstic was held out of practice Wednesday by Brooks, who said he will limit the amount of repetitions Krstic receives in training camp and the number of minutes he plays in games.

"He played a lot of games this past summer for his national team," Brooks said. "We're just monitoring his minutes. He came in, in great shape. We're just going to be careful with his minutes...Come Oct. 28, we want him ready and fresh and at full strength."

NO RUSH FOR COLLISON'S RETURN

Nick Collison is still listed as day-to-day with a sprained ankle. Brooks said he will not rush the forward back from injury, and his status for the preseason opener Wednesday at Memphis is unknown.

"He's improving," Brooks said. "I noticed today that he's walking much better."

BRIEFLY....

As expected, forward Mike Harris has joined the Thunder's training camp roster. Harris, a 6-foot-6 product of Rice, most recently played for Al Qadsia in Kuwait and averaged 31.1 points, 14 rebounds and 1.1 blocks in 41.3 minutes. He appeared in 17 games with Houston during the 2007-08 season. ...The Basketball coaching staff from Southern Nazarene attended Wednesday's morning practice.