The Chargers designated Lambert-Smith (hamstring) for return from injured reserve Tuesday.
The Chiefs placed Thornton (ankle) on injured reserve Tuesday.
Kolar reeled in three of four targets for 37 yards during Sunday's 23-17 loss versus the Broncos. He also lost a fumble.
Mitchell took six carries for 11 yards and caught three of four targets for 18 yards during Sunday's 23-17 loss versus the Broncos.
Head coach Jim Harbaugh said Monday that Harris is "week-to-week" due to a hamstring injury that he sustained during Sunday's 23-17 loss to the Broncos, Alex Insdorf of BoltBeat.com reports.
The Chiefs placed Thornton (ankle) on injured reserve Monday, Jeremy Fowler of ESPN.com reports.
Dicker made his lone field-goal attempt and both of his extra-point tries during the Chargers' 23-17 loss to the Broncos on Sunday.
McConkey (foot) was active but didn't play any snaps in Sunday's 23-17 loss to the Broncos.
Vidal tallied eight carries for 57 yards and one touchdown, one catch (on two targets) for minus-1 yard and returned three kicks for 75 yards during Sunday's 23-17 defeat to the Broncos.