Boston Celtics legend Paul Pierce was arrested on Tuesday, the California Highway Patrol said.
According to the CHP, authorities found Pierce asleep while he was in the driver's seat of his Range Rover as it was in the middle of traffic on the 101 Freeway in the San Fernando Valley.
Cops say lanes had been closed on the highway while a crash investigation occurred ... and the sleeping Pierce was discovered following their reopening at around 11:35 PM.