Brian Melancon will step in for Paulo Thiago and face recent Ultimate Fighter winner Kelvin Gastelum in August at UFC Fight Night: Condit vs. Kampmann 2.
Thiago suffered a recent training injury and was forced out of the contest, which is set for August 28 from Indianapolis.
Melancon (7-2) earned a win in his Octagon debut, stopping Seth Baczynski. He went 1-1 in Strikeforce.
Gastelum (6-0) topped Uriah Hall for the TUF title. He was the last selection for Chael Sonnen’s team.