I agree with you regarding the cost of Arrieta, however... Arrieta makes me a little nervous. His 2015 was great, but his ERA, FIP and WHIP went up in 2016 and again this past season. His BABIP went down from .345 in 2016 to .298 last year and those other number still went up. I know he'll only be 32 next season, but I find those three stats unsettling.