He was selected by the Arizona Cardinals in the fourth round of the 2000 NFL draft.

During his college career, he had a total of 176 tackles, 7 interceptions, 3 forced fumbles and 5 sacks.

Barrett was selected by the Arizona Cardinals in the fourth round (102nd overall) in the 2000 NFL draft.

In 2004, David Barrett signed with the New York Jets and became the team's starting cornerback.

His wife Sheila works as a curator for the Jefferson Davis museum in Waterloo.