Worth blowing #2 priority waiver add Ellington/Collins/Mack/Breida?

Any of the below worth blowing #2 priority over ?
Current RBS are Crowell, Powell, Mckinnon, Morris

33 Andre Ellington ARI Sun vs. TB 20 15.9 Andre Ellington busy as check-down back »
37 Alex Collins BAL Sun vs. CHI 16 18.1 Alex Collins has 55 yards in Week 5 victory »
42 Marlon Mack IND Mon at TEN 17 18.1 Marlon Mack to see larger role moving forward? »
43 Matt Breida SF Sun at WAS 23 15.2 Matt Breida leads 49ers backfield in Week 5 loss »

Thanks in advance

Any thoughts?

If your league is PPR I’d pick up Ellington