The Lions continued their revolving door for retread cornerbacks on Tuesday, picking up second-year corner Jack Williams off waivers from the Denver Broncos, and cutting Jason David.

A former fourth-round pick who spent all of his rookie season and the first seven games of 2009 with the Broncos, Williams had 14 tackles — including two special-teams stops — and two passes defensed. Williams was sixth on the Broncos a year ago with five special-teams tackles.

The Lions continue to look for help not only in the defensive backfield, but on special teams, where a kickoff return to midfield in Sunday's loss at Seattle started the flip-flop in momentum after the Lions rattled off a 17-0 start to the game.

David was with the Lions less than a week. The former Colt, who was on the team's 2006 Super Bowl team, was signed last Wednesday, but was inactive for the game in Seattle.