Which RB in Week 12 -- Forte or K Smith?

Neither of these guys is a good option this week, GB is the number 3 D against fantasy RBs. they've only given up 805 rushing yds and 2 running TDs to RBs, but have also allowed 309 receiving yds and two additional TDs to RBs. While this looks bad, the Vikings are the #1 D against RBs - 693 rushing yds, 480 nreceiving yds and a total of 3 TDs allowed to RBs. I would play Smith, but not expect too much.