Allen Hurns worth picking up

I have Antonio Brown, Keenan Allen, Robert Woods, Devante Parker, and D Jax on my roster. I am thinking about dropping either Parker or Doug Martin to pick up Allen Hurns to flex for the playoffs in case Woods doesn’t come back effective by week 15. as I am already locked into the 2 seed with a first round bye week 14. Hurns has Houston and Ten week 15 and 16. Would you pick him up and would you drop either Parker or Martin for him? Appreciate the feedback.