Ppr 3wr/2rb
Rivers
Dez/Alshon/Colston/Wheaton/Floyd(SD)
Alf/Vereen/Joique/Ingram
Bennett/Donnell
yeah, I think I would do that deal too. Huge upgrade to your RBs. I'm still ok with Colston even after shutout in Week 2, so between Jax and Colston I think it's still a potent 3 WRs you're starting.
Murray is a top 5 PPR RB. I would take that deal.