San Diego Chargers OL King Dunlap (knee), C Matt Slauson (foot), LB Denzel Perryman (knee) and CB Craig Mager (shoulder) did not participate in practice Friday, Dec. 30. Meanwhile, OL Orlando Franklin (shoulder) and WR Jeremy Butler (ankle) were limited participants. Mager has already been ruled out for the team’s Week 17 contest Sunday, Jan. 1, with Dunlap listed as doubtful and Butler, Franklin, Perryman and Slauson all being considered questionable to suit up.