Allen Webster

Trevor Cahill, Chase Anderson win rotation spots with D-Backs; Daniel Hudson to bullpen

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According to Steve Gilbert of MLB.com, Diamondbacks manager Chip Hale announced today that right-handers Trevor Cahill and Chase Anderson have claimed the final two spots in the starting rotation. They’ll join Opening Day starter Josh Collmenter as well as offseason acquisitions Jeremy Hellickson and Rubby De La Rosa.

Daniel Hudson, who has missed much of the last three seasons with two Tommy John surgeries, was in the the mix for a rotation spot this spring and has compiled a 4.22 ERA and 8/4 K/BB ratio over 10 2/3 innings while showing good velocity. However, his workload would be limited as a starter and Hudson told Gilbert that the decision to move him to the bullpen was a “mutual” one.

Anderson, 27, posted a 4.01 ERA and 105/40 K/BB ratio in 114 1/3 innings across 21 starts as a rookie last season. Cahill had a rough 5.61 ERA across 17 starts and 14 relief appearances last season, but he’s still owed $12 million this season and has changed his mechanics in hopes of better results.

While this is the rotation the D-Backs will go with to begin the season, it should have a very different look as the year moves along. Arms like Randall Delgado, Allen Webster, and Vidal Nuno linger as alternatives. Archie Bradley is under consideration for the final bullpen spot with the big club, but he’s likely to head back to Triple-A to pitch as a starter in hopes of making an impact in the rotation this season. Patrick Corbin and Bronson Arroyo are in rehab mode from Tommy John surgery and could be ready to rejoin Arizona’s rotation around midseason.

Read more about the Diamondbacks in my 2015 season preview.