2 Questions WRs and RBs

[ezday]

This is for a PPR league.
RBs - Pick 1 out of the 4 to bench Roy Helu, Ryan Mathews, Chris Johnson, or Demarco Murray?
WRs - Pick 1 out of the 4 to bench Aaron Hernandez, Larry Fitzgerald, Brandon Marshal or Jordy Nelson?

Thanks in Advance