Daniel Sarafian has been forced out of a planned UFC Fight Night 68 bout with Ricardo Abreu, allowing Jake Collier to step in.
Set for June 6, the event is also in search of a new headliner after Daniel Cormier was removed.
Collier (8-2) made his Octagon debut in 2014 and lost to Vitor Miranda. He had won five in a row before the setback. Abreu (5-0) scored a submission vs. Wagner Silva in his first UFC fight.
Below is the current lineup:
Light Heavyweight: Ryan Bader vs. TBA
Middleweight: Dan Henderson vs. Tim Boetsch
Heavyweight: Matt Mitrione vs. Ben Rothwell
Lightweight: Dustin Poirier vs. Yancy Medeiros
Lightweight: Joe Proctor vs. Justin Edwards
Heavyweight: Derrick Lewis vs. Shawn Jordan
Welterweight: Brian Ebersole vs. Omari Akhmedov
Middleweight: Jake Collier vs. Ricardo Abreu
Bantamweight: Joe Soto vs. Anthony Birchak
Bantamweight: Leonardo Morales vs. Jose Quinonez
Bantamweight: Alex Caceres vs. Francisco Rivera
PRELIMINARY CARD (FOX Sports 2/8 p.m. ET)