Former "Ultimate Fighter" stand out Alex Caceres has stepped in to replace BJ Penn at UFC 199 and he will now face Cole Miller on the card on June 4 from Inglewood, Calif.
UFC officials confirmed the fight to FOX Sports on Wednesday.
Caceres accepts the fight after Penn was pulled from the card just days ago following a potential anti-doping infraction where the UFC Hall of Famer admitted to using an IV ahead of a drug test back in March.
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Caceres now faces Miller in just over one week as he looks to get his second win in a row inside the Octagon.
Most recently, Caceres defeated Masio Fullen at FOX UFC Fight Night in New Jersey, which moved his Octagon record to 6-6 with one no contest overall.
Miller was also a late replacement to the card after he stepped to fill a spot vacated by Dennis Siver following an injury to the German born fighter.
Miller vs. Caceres joins a stacked line up at UFC 199 headlined by middleweight champion Luke Rockhold against Michael Bisping in the main event.