Sit Stevie Johnson. The Dolphins defense is nothing to mess around with and your other options have great match-ups, minus Sproles, but he has the upside of getting you more PPR points.
QB: Ben Roethlisburger WR: Calvin Johnson WR: Dez Bryant WR: Jeremy Maclin, Robert Meachem RB: Darren McFadden, Michael Bush RB: Michael Turner, Daniel Thomas, Ryan Torain TE: Jimmy Graham