I think you are right on that list of 6 being the most likely. Personally if I were to pick 6 NL relievers today I'd go with: Archie Bradley/Arizona = 1.35 ERA, 0.80 WHIP, 8.6 K/9 Sean Doolittle/ Washington = 1.72 ERA, 0.45 WHIP, 13.8 K/9 Carl Edwards Jr./Chicago = 0.53 ERA, 0.88 WHIP, 15.9 K/9 Josh Hader/Milwaukee = 1.64 ERA, 0.50 WHIP, 18.8 K/9 Jeremy Jeffress/Milwaukee = 0.45 ERA, 0.70 WHIP, 7.2 K/9 Adam Ottavino/Colorado = 1.35 ERA, 0.65 WHIP, 15.8 K/9