Atlanta Falcons running back Michael Turner was arrested for DUI early this morning ... hours afters he helped crush Peyton Manning and the Denver Broncos on Monday Night Football.
Turner -- who rushed for 42 yards and a TD in the MNF victory -- was initially pulled over in his black Audi R8 around 4:06 AM for speeding ... 97 in a 65.
During the stop, officers detected the presence of alcohol and arrested the 30-year-old NFL star for driving under the influence.
Law enforcement tells TMZ ... Turner refused to submit to a breathalyzer test.
Turner -- who's in the 5th year of a 6-year, $34 million contract -- was hauled to Gwinnett County Jail ... but was released two hours later on $2,179 bond.