Fantasy: Huge Trade, should i accept?

[MrTelevision]

im currently 2nd in my leauge and half a game behind the leader (20 teams in leauge). i really want to win this season so heres the proposed trade

I Get
Derron Williams
Al Horford
Gerald Wallace
Aaron Brooks

He gets
Rajon Rondo
Chris Bosh
Lemarcus Aldrigde
Mo Williams