Should I do this trade for Gurley?

PPR redraft. Should I acquire Gurley? I would give up Miles Sanders, Lesean McCoy and DJ Chark, and I’d get back Gurley and John Brown. I’m 3-1, here’s the rest of my lineup:

QB: Patrick Mahomes

RB: Alvin Kamara

RB: Kerryon Johnson

WR: Chris Godwin

WR: Calvin Ridley

TE: Darren Waller

W/R/T: Terry McLaurin

DEF: Titans

K: Lutz

BN: DJ Chark

BN: Diontae Johnson

BN: Tyreek Hill (back soon)

BN: LeSean McCoy

BN: Miles Sanders

BN: Royce Freeman