Former Titans offensive coordinator Todd Downing admitted to drinking "a victory beer" before he was arrested for DUI last year ... new police video, obtained by TMZ Sports, shows.
The incident happened near Nashville back on Nov. 18, 2022 at around 2:30 AM ... just hours after Downing had helped lead Tennessee to a big "Thursday Night Football" win over the Green Bay Packers at Lambeau Field.
In dash cam footage, you can see a Tennessee Highway Patrol trooper pulled behind Downing's Mercedes on a freeway ... and said the 42-year-old was "hauling ass" -- going over 100 MPH "easily.