The race for the fifth spot in the Rockies' rotation is down to Jon Gray, Christian Bergman and Eddie Butler, according to the Denver Post.
Gray has registered a 2.08 ERA, a 0.92 WHIP through 13 Cactus League innings. He has yet to pitch above Double-A. Bergman, who was a replacement call-up in 2014, has posted a 2.31 ERA, a 1.20 WHIP through 11 2/3 innings of work this spring. Butler, who struggled during his callup in 2014, has a 3.12 ERA, a 1.27 WHIP through 8 2/3 innings this spring.