UFC newcomer Wendell Oliveira Marques  (24-7 MMA, 0-0 UFC) has replaced injured Sergio Moraes  (8-2 MMA, 2-1 UFC) at next month’s UFC Fight Night 51 event. Marques now fights fellow welterweight Santiago Ponzinibbio  (18-2 MMA, 0-1 UFC) at the Brazilian event. Combate first reported the change, which was the result of a knee injury suffered by Moraes. Featuring a heavyweight rematch between Antonio “Bigfoot” Silva and Andrei Arlovski, UFC Fight Night 51 takes place Sept. 13 at Nilson Nelson Gymnasium in Brasilia, Brazil. The entire card streams on UFC Fight Pass.