Former TUF standouts face off at TUF 13 Finale
Sources close to the bout informed HeavyMMA.com of the news on Monday afternoon.
Brown is in the midst of a three-fight losing streak, having dropped consecutive bouts to Brian Foster, Chris Lytle and Ricardo Almeida. He was a contestant on the seventh season of The Ultimate Fighter.
Attonito was a contestant on the 11th season of the reality series. He won his first two official UFC bouts against Jamie Yager and Rafael Natal before dropping his last bout against Dave Branch at the TUF 12 Finale.