Francisco Rivera will replace Henry Briones and face Brad Pickett to open the UFC Fight Night 83 main card.
Set for February 27 from The O2 in London, the UFC Fight Pass card features Anderson Silva vs. Michael Bisping.
Rivera (11-5) has won four of seven Octagon appearances, but is coming off a pair of losses to John Lineker and Alex Caceres.
Pickett (24-11) owns a 4-6 UFC record, including three straight defeats.
The fight change was first reported by The Sun.
Below is the current lineup:
MAIN CARD (UFC Fight Pass)
Middleweight: Michael Bisping vs. Anderson Silva
Middleweight: Gegard Mousasi vs. Thales Leites
Welterweight: Tom Breese vs. Keita Nakamura
Bantamweight: Brad Pickett vs. Francisco Rivera
PRELIMINARY CARD (UFC Fight Pass)
Featherweight: Makwan Amirkhani vs. Mike Wilkinson
Bantamweight: Davey Grant vs. Marlon Vera
Middleweight: Scott Askham vs. Chris Dempsey
Featherweight: Arnold Allen vs. Yaotzin Meza
Middleweight: Krzysztof Jotko vs. Brad Scott
Lightweight: Rustam Khabilov vs. Norman Parke
Heavyweight: Daniel Omielanczuk vs. Jarjis Danho
Lightweight: Teemu Packalen vs. Lukasz Sajewski
Lightweight: David Teymur vs. Martin Svensson