Gronk+Blount for Andre+S.Chandler?

[8LifeGrand]

10 team 1/2PPR league. I have an offer on the table to get Andre Johnson & Scott Chandler in exchange for Blount & Gronkowski, thoughts?
QB - Vick
RB - McFadden
RB - Blount
Flex - Tate
WR - Wallace
WR - Dez
TE - Gronk

Bench - Branch, O. Daniels, Ochocinco, Starks, Spiller, Big Ben, Amendola