Alexandre Pantoja will step in for Ray Borg and face Brandon Moreno at UFC Fight Night 129 in Santiago, Chile.
Promotion officials confirmed the change on Tuesday. Borg withdrew from the matchup to care for his newborn son, who recently underwent two surgeries for a brain condition.
UFC Fight Night 129 takes place at Movistar Arena on May 19 and is headlined by a welterweight tilt between Kamaru Usman and Demian Maia. The card airs on Fox Sports 1 following early prelims on UFC Fight Pass.