Barnett stops by to discuss his fight at UFC 164 against Frank Mir and his thoughts on the entire lot of the heavyweight division.
Mendes will talk about his upcoming fight against Clay Guida and why he believes he is the man who has the best chance to beat UFC featherweight champion Jose Aldo.
Poirier will also drop by to talk about his fight against Erik Koch at UFC 164 and what it will take to get back into the featherweight contender's race.
Finally, the debate heats up on today's show as we break down all the events from last weekend's UFC Fight Night 26 card.
Today's debate topics include:
—Who should Chael Sonnen fight next after his win over Shogun Rua at UFC Fight Night 26?
—Should the UFC consider cutting Alistair Overeem after another KO loss?
—Matt Brown wins his sixth straight fight, but is he a contender or a pretender in the title race?
—On a scale of 1-10, how impressed were you by the UFC Fight Night 26 card that debuted on Fox Sports 1?
This is MMA's Great Debate Radio for Tuesday, Aug. 20, 2013