English featherweight Ross Pearson was arrested early Sunday morning on suspicion of DUI according to news site TMZ. The Alliance MMA fighter has been in Las Vegas helping out teammate Dominick Cruz with The Ultimate Fighter Live. Here's what they had to say.

Law enforcement sources tell us, Ross was pulled over around 4AM early Sunday morning when police noticed his car swerving on the road.

When police approached the vehicle, we're told they observed signs Ross had been drinking and asked him to get out of the car -- where they administered a field sobriety test.

According to law enforcement, Ross performed miserably on the test and was placed under arrest on suspicion of DUI.

He has since been released. Calls to Ross were not returned.

Pearson (13-5) was the winner of The Ultimate Fighter 9 at lightweight and recently dropped to 145. He is scheduled to face Cub Swanson at UFC on FX 4 on June 22nd.