I would keep Finley and trade Gronk. He will not be a big target every week once Hernandez is healthy again. But with Finley you know he will be a big time play every week as long as he is healthy.
QB- Roethlisberger, Rivers, Foles
RB- McCoy, Lynch, L James, Ivory, F Jackson, D Thomas, Turbin
WR- Julio, Bowe, D Bryant, D Jax, Amendola, Broyles, Gordon, Hill
TE- Celek, D Allen
D- D Washington, S Weatherspoon, L Kuechly