The fight booking was announced by the UFC this morning.
UFC Fight Night 77 will come from The 3Arena in Dublin, Ireland on October 24 and will be headlined by a lightweight bout as Dustin Poirier meets Joseph Duffy.
McLellan (12-3) lost his UFC debut in April against Bartosz Fabinski at UFC Fight Night 64. The defeat snapped a six fight winning streak and it was his first defeat since 2012. Bush (8-2, 1NC) made his UFC debut last year and initially lost to Kevin Casey. However, the fight was overturned to a no-contest after Casey failed his post fight drug test.
The current UFC Fight Night 77: Poirier vs. Duffy fight card is below.
Dustin Poirier (18-4) vs. Joseph Duffy (14-1)
Cathal Pendred (17-3-1) vs. Tom Breese (8-0)
Norman Parke (20-4-1) vs. Reza Madadi (13-3)
Scott Askham (13-1) vs. Krzysztof Jotko (15-1)
Garreth McLellan (12-3) vs. Bubba Bush (8-2, 1NC)