He played college football for the Florida Gators and was selected by the Cleveland Browns in the fifth round of the 2002 NFL draft.

[8] Cleveland also selected André Davis in second round of the 2002 draft, requiring the linebacker to have his full name on the back of his jersey for his first three seasons.

Davis became the Browns starting middle linebacker in 2003 and finished the season leading the team with 171 tackles.

He also tied a franchise record with 4 sacks in a single game that year against Kansas City on November 9, 2003.

On November 20 he was named the AFC Defensive Player of the week after recording 14 tackles, 2 tfl and 2 pbu's in the 22–0 win over the Miami Dolphins.

He finished his seven seasons with the Browns starting 83 of 105 games, recording 711 tackles (484 unassisted), 8.5 sacks, and 8 interceptions.