Corey Davis, Yeldon, Powell all on Waivers

It is .5 PPR. Should I burn my number two waiver priority on Yeldon?

Davis and Powell I think I can wait until they clear.

The rest of my roster looks like:

Ryan/Winston
Kamara/Elliott/Buck/Latavius
OBJ/Keenan/Landry/Sanu/Coutee
Gronk