Which Seattle running back should I get off waiver wire?

Which Seattle rb should I target with Carson down and out? Who will/ should get the rb1 spot? Lacy, Rawls, prosise, Mckissic???

Sounds like Rawls is the guy for now, but I really don’t trust this backfield. McKissic has great potential, but it’s nothing to be sure about yet. I’d see what other options are available through waivers or trade before touching a Seahawks RB.