I'd say go for it since you already have Graham on your roster. Marshal is a step up from Meachem and Ridley/Bradshaw could go either way but is most likely a wash at the end of the year. You don't need Gates and he is on the decline anyway so I'd say do it!
12 team auction (100$)
Wilson 3$, Dalton 4$
Foster $30, Charles $16, Tate 2$, Wilson 10$
V. Jackson 10$, Boldin 3$, Garcon 4$, Witten, 4$, T. Austin $5, Patterson 2$, Tate 3$, Dobson 1$
Tucker, K 1$,Tynes, K 1$
NYG D, 1$