Handcuffs vs other options

So my RB corp is:
Zeke Elliott
Mixon
A. Jones
D. Cook

So the question is, in a situation like this would you guys pick up Rod Smith, Gio Bernard or Latavius Murray or just role with these guys and use them as back-ups. Would a player like Rod Smith make more points than any of the remaining three. I’m very much in doubt.