Walker active

The Lions have ruled S Tracy Walker out for Sunday's game against the Vikings. Walker missed every day of practice this week, but it's still a surprising situation after Walker played every snap in the Week 8 loss to the Colts. Walker's absence improves the matchup for Vikings TE Irv Smith. S Will Harris figures to step in for Walker.

Lions S Tracy Walker entered Week 11 questionable with a right knee injury that cost him the previous 2 games. He left Week 11 early with a right knee injury. HC Matt Patricia said afterward that he didn't know whether it was the same injury, according to ESPN's Michael Rothstein. We'll see about the outlook here, but IDP owners should expect to miss Walker for at least the next game. Even with Walker active against the Cowboys, Tavon Wilson and Will Harris still started at safety. Wilson looks like a full-timer whether Walker's in or out. Harris' role depends on Walker's involvement.

Lions S Tracy Walker left in the 3rd quarter of Sunday's win over the Giants with a right knee injury and did not return. HC Matt Patricia said after the game that Walker would be in for further evaluation Monday. Rookie S Will Harris saw the biggest playing-time spike, matching starter Tavon Wilson at 82% of the defensive snaps. Harris would likely start in Walker's place if the incumbent misses further time.