UFC%20Fight%20Night%2051">UFC Fight Night 51 is starting to fill up. The UFC announced that The Ultimate Fighter 8 winner Efrain Escudero will be making his return to the UFC when he faces  Francisco Trinaldo at the event. 

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.

Here is how the rest of the card looks like:

Andrei Arlovski vs. Antonio Silva 

Lukasz Sajewski vs. Leonardo Santos 

Sergio Moraes vs. Santiago Ponzinibbio 

Mike Rhodes vs. Paulo Thiago 

Igor Araujo vs. George Sullivan

Jessica Andrade vs. Valerie Letourneau 

Efrain Escudero vs. Francisco Trinaldo