
The promotion confirmed the fight's booking on Wednesday.
The aggressive Beltran had dropped consecutive decisions to Pat Barry and Matt Mitrione before rebounding with a third-round TKO over Aaron Rosa in June. The victory made Beltran 13-5 overall and 3-2 in the UFC.
Miocic is thought by many to be an excellent prospect, with a background in wrestling from his days as an NCAA Division I competitor, as well as a boxing background as a Golden Gloves fighter.
The 6-foot-4, 240-pounder is unbeaten in six pro fights, with all six wins coming via finish (five knockouts, one submission).
UFC 136 will take place on October 8 from the Toyota Center in Houston.
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