Running back Darren McFadden did not make the trip and will not play.
Janikowski has been nursing a hamstring injury, while McFadden has been slowed by a sprained ankle.
McFadden missed the Raiders' walkthrough Wednesday's and has not practiced at all since injuring his right foot in the first quarter of the Raiders' 28-0 loss to the Kansas City Chiefs on Oct. 23.
The NFL's leading rusher through the first month of the season has been wearing a walking boot all week and has also needed crutches to get around.
Dielman (concussion) and Phillips (foot) are missing their third straight game. Floyd is missing his second straight game.
Information from The Associated Press was used in this report.