NFL Free Agency Reset: 10 Valuable Players Still Available to Detroit Lions

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Sep 23, 2013; Denver, CO, USA; General view of the line of scrimmage as Oakland Raiders center Stefan Wisniewski (61) snaps the ball against the Denver Broncos at Sports Authority Field at Mile High. The Broncos defeated the Raiders 37-21. Mandatory Credit: Kirby Lee-USA TODAY Sports

6. Stefan Wisniewski, C

Detroit’s going to need a guard in either the draft or free agency, but when the Oakland Raiders let Wisnewski walk, an interesting opportunity may have opened up. Could the Lions sign a center and move Travis Swanson inside to guard? Wisniewski could make sense if Detroit wants to make this type of move considering his age and ability level.

Next: An Addition At Tackle