NEED TRADE ADVICE Roethlisberger/B. Wells for M. Bush

[Beave]

Yahoo fantasy keeper league. Not PPR. 10 Teams. Playing for $$$.
My roster:

Qb-Cam Newton, Josh Freeman
RB-Arian foster, BenJarvus G-E, Tent Richardson, Michael Bush
WR-Brandon Marshall, Dwayne Bowe, Mike williams, Robert Meachem, Jon Baldwin
TE-Brandon Pettigrew, Jacob Tamme

His Roster:

QB-Matthew Stafford, Ben Roethlisberger
RB-DeMarco Murray, Reggie Bush, Roy Helu, Beanie Wells, Fred Jackson
WR- Percy Harvin, Calvin Johnson, Miles Austin, Kenny Britt, Jeremy Maclin, Donnie Avery
TE-Rob Gronkowski

He wants Michael Bush for Roethlisberger/Wells. What do you guys think. He is currently rankend 1st and I am 3rd, however, I'm leading in total season pts and the regular season winner gets a piece of the money pie.