The original fight between Sergio Moraes (8-2 MMA, 2-1 UFC) – Santiago Ponzinibbio (18-2 MMA, 0-1 UFC) is off and now Wendell Oliveira Marques (24-7 MMA, 0-0) will make his UFC debut against Santiago Ponzinibbio at UFC Fight Night 51.

UFC Fight Night 51 goes down Sept. 13 at Nilson Nelson Gymnasium in Brasilia, Brazil. The event will air on UFC Fight Pass. The main event will be Andrei Arlovski vs. Antonio Silva.

MAIN CARD (UFC Fight Pass, 8 p.m. ET)
Andrei Arlovski vs. Antonio Silva
Piotr Hallmann vs. Gleison Tibau
Lukasz Sajewski vs. Leonardo Santos
Wendell Oliveira Marques vs. Santiago Ponzinibbio
Iuri Alcantara vs. Russell Doane
Jessica Andrade vs. Valerie Letourneau

PRELIMINARY CARD (UFC Fight Pass, 5:45 p.m. ET)
Dashon Johnson vs. Godofredo Pepey
Igor Araujo vs. George Sullivan
Efrain Escudero vs. Francisco Trinaldo
Sean Spencer vs. Paulo Thiago
Johnny Bedford vs. Rani Yahya