I think we may over project Bailey due to K rates. My opinion is the difference between Profar and Cozart is greater than the difference between Bailey and Leake or Arroyo. Especially long term, but even in 2013.
For Texas the Bailey upgrades their staff by over 1 Win already.
Bailey Career : 727 IP, 4.38 ERA, 1.35 WHIP, 4.0 WAR
Bailey Best Year: 208 IP, 3.68 ERA, 1.24 WHIP, 2.5 WAR
Leake Career : 558 IP, 4.07 ERA, 1.33 WHIP, 3.4 WAR (+2.5 career batter)
Leake Best Year : 167.2 IP, 3.86 ERA, 1.18 WHIP, 1.6 WAR
Arroyo Career : 2162 IP, 4.19 ERA, 1.30 WHIP, 25.7 WAR
Best Year (last 3): 202 IP, 3.74 ERA, 1.15 WHIP, 3.6 WAR