When looking at fighters Bigfoot Silva and TJ Waldburger, is it is OK for fans to ask them to retire?

Live results, play-by-play and discussion for tonight's UFC Fight Night card from Brazil.

UFC Fight Night: Bigfoot vs Mir takes place tonight from the Gigantinho Gymnasium in Porto Alegre, Rio Grande do Sul, Brazil. Find out all your options for how to watch the undercard action right...

For the 3rd straight event, a UFC preliminary card bout has been cancelled at the last minute due to an illness.

Kid Nate makes a special appearance to referee analysts Zane Simon and Dallas Winston as they break down the match-ups on Sunday's Fight Night card from Brazil.