It looks like MMA won't have Kimbo Slice to kick around anymore.

Slice told ESPN.com on Thursday that he is leaving MMA to fight in boxing's heavyweight division.

"I'm gonna be a problem in the heavyweight division," he said. "I'm going to be coming in with a bad demeanor. I want to see what it's like to break some ribs, break a jaw with one punch."

In addition to fighting in the UFC, Slice was also part of Spike TV's "Ultimate Fighter 10", losing his only bout on the show.

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Slice is expected to sign a promotional deal with Gary Shaw, according to ESPN.com.