Moesha's Bro Super Busted in AZ For DUI And Drugs

EXCLUSIVE
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Mo' problems for "Moesha" star Marcus T. Paulk -- pre Super Bowl partying in AZ landed him in jail for DUI and drug possession.

According to law enforcement sources ... Paulk got pinched early Sunday morning by Maricopa County Sheriff's deputies, and blew a .109. He also allegedly had a bag of marijuana.

Paulk was pulled over in Scottsdale for driving dangerously close to emergency vehicles involved in a routine stop. Cops say he failed a field sobriety test ... and fessed up he'd been drinking Hennessy and smoking pot earlier in the day. 

It's not Paulk's first legal tangle -- the actor was arrested in 2013 for allegedly kicking and punching his ex-GF, but avoided jail time after cutting a plea deal.