Cops say the 37-year-old center, who hold a record four NBA Defensive Player Of The Year title's was busted after they noticed his his Cadillac Escalade driving erratically in suburban Detroit.
“A roadside investigation revealed that Wallace was operating his motor vehicle while intoxicated,” police said in a press release.
Officers say Wallace was given a blood-alcohol test and he was above Michigan's legal limit of .08 percent and when they searched his truck they found an unloaded pistol in a backpack on the passenger seat, police said.
Wallace, who helped the Pistons win the 2004 NBA title, was arraigned and released on a $5,000 personal bond. His next court hearing is Monday.
If convicted, Wallace could see five years for the felony weapon charge and 93 days for the operating while intoxicated misdemeanor.