I would pass on the trade! It not a PPR league so that reduces the significance of AJ Green. Its all about the the RB this year in fantasy football. Eddie Lacy was getting rave reviews of late, the had 8 carries for -5 yards the other day. WHo are your other RB's and wr's?
10 team 4 keeper PPR league: (Starters in bold)
RB: A.Peterson. Sproles, Murray (flex), DeAngelo Williams
WR: Julio Jones, Cruz,Garcon, Jeffrey, Douglas, ROyal