The Detroit Lions are shaping their roster, and their latest move in free agency add a 19-game starter to the quarterback room.

Detroit Lions need starting-caliber players at CB, DT, DE and OG, but are not expected to be big spenders when NFL free agency opens Monday afternoon.

Starting CB Carlton Davis and RG Kevin Zeitler are among Detroit Lions scheduled to be unrestricted free agents Wednesday. Ranking needs and targets.

Per Mike Garafolo of the NFL Network, the Lions are signing free agent quarterback Kyle Allen. The 29-year-old Allen has been an NFL journeyman, with Detroit representing his fifth team in as many seasons.

NFL free agency period is underway, and slowly but surely, the Detroit Lions have begun making moves —adding free-agent talent and re-signing some of their own. With several roster holes still to fill — some at the starting level,