Which RB should I start? Fantasy Football?

Brian Asked: Which RB should I start? Fantasy Football?

I am in league with a lot of teams so a good 2nd RB is hard to come by. One of my starters is Matt Forte but when it comes to my 2nd RB I need to choose between Maurice Morris (Det) and Ben Tate (Hou). Morris playing against Chicago is projected to get 8 points. Tate is the backup behind Arian Foster playing against Tampa Bay (who gives up the 4th most points to RBs) is projected to get 3 points. Which RB should I start and why? Thanks