The 6-1, 236-pounder was a productive two-year starter for the Bulldogs, recording 95 tackles and five tackles-for-loss in 2016 and 124 tackles, 5.5 sacks and 11.5 tackles-for-loss in 2017.
Smith is considered athletic, physical and instinctive three-down linebacker. He was the second defensive player selected in the draft, following North Carolina State defensive end, who went fifth to the Broncos.
The other picks in the first round have been Oklahoma quarterback Baker Mayfield to the Browns at No. 1, Penn State running back Saquon Barkley to the Giants at No. 2, USC quarterback Sam Darnold to the Jets at No.