UFC Fight Night 51 will take place on September 13th from the Nilson Nelson Gymnasium in Brasila, Brazil and the fight card lineup has been finalized following the addition of the bantamweight bout between Iuri Alcantara and Russell Doane. 
The preliminary card will begin at 5:45 p.m. ET/2:45 p.m. PT with five fights on Fight Pass and will feature a featherweight bout as Godofredo Pepey meets Dashon Johnson.
Following the conclusion of the preliminary card, the main card will also be shown on Fight Pass at 8 p.m. ET/5 p.m. PT and will be headlined by a heavyweight bout as Antonio “Bigfoot” Silva faces Andrei Arlovski.
The current UFC Fight Night 51: Silva vs. Arlovski card lineup is below.
Main Card: (Fight Pass – 8 p.m. ET/5 p.m. PT)
Antonio Silva (18-5) vs. Andrei Arlovski (22-10)
Gleison Tibau (29-10) vs. Piotr Hallman (15-2)
Leonardo Santos (12-3-1) vs. Lukasz Sajewski (13-0)
Sergio Moraes (8-3) vs. Santiago Ponzinibbio (19-2)
Iuri Alcantara (30-5, 1NC) vs. Russell Doane (14-3)
Jessica Andrade (11-3) vs. Valerie Letourneau (6-3)
Preliminary Card: (Fight Pass – 5:45 p.m. ET/2:45 p.m. PT)
Godofredo Pepey (10-3) vs. Dashon Johnson (9-1)
Igor Araujo (25-6, 1NC) vs. George Sullivan (15-3, 1NC)
Francisco Trinaldo (14-4) vs. Efrain Escudero (22-8)
Paulo Thiago (15-7) vs. Sean Spencer (11-3)
Rani Yahya (19-8, 1NC) vs. Johnny Bedford (19-11-1, 1NC)