Anthony Johnson out, Rick Story steps in to face Nate Marquardt at UFC on Versus 4

"Rumble" will have to wait a little bit longer to headline his first UFC event.

Massive welterweight Anthony Johnson has been forced to withdraw from the main event of June's UFC on Versus 4 event, and Rick Story has agreed to step in and face Nate Marquardt.

The pair now meets in the main event of "UFC on Versus 4: Marquardt vs. Story," which takes place June 26 at Pittsburgh's Consol Energy Center. The night's main card airs on Versus.

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