Derrick Rose is wasting no time rehabbing from his latest knee surgery. 

One day after a meniscectomy to repair a torn medial meniscus in his right knee, Rose was back at the Bulls’ facilities on Saturday to start rehab.

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"It's just the initial steps," Bulls coach To

m Thibodeau said, via "But we're cautiously optimistic, he's in good spirits. He's on it, so it's good."

Rose’s rehab is expected to last 4-6 weeks.

"It's mapped out with the medical people," Thibodeau said. "The one thing about Derrick is he's been through a few of them. He'll follow the plan and hopefully everything goes fine."

Thibodeau and the rest of the Bulls organization are hoping Rose's third knee surgery in as many seasons is the charm for a full recovery.

"He's been through two tough ones," Thibodeau said. "I think he's gained confidence from that. The ACL knee is great and he knew [a re-tear] was a possibility going in. He's in a good place and he'll deal with it. He'll get past this."