According to a tweet from MLBRosterMoves,
.@Rockies select RHP Nick Masset, option INF Ryan Wheeler to Triple-A Colorado Springs; transfer RHP Tyler Chatwood to 60-day DL.Our own Rose Ingberman reported on April 30 that Chatwood was placed on the 15-day DL with a right elbow strain. He missed two weeks at the start of the season with a strained hamstring. In four games this season, Chatwood is 1-0 with a 4.50 ERA. In 24 innings, he's allowed 20 hits and eight walks, while striking out 20.
— MLBRosterMoves (@MLBRosterMoves) May 5, 2014
Chatwood began his Major League career in 2011 with the Los Angeles Angels. As a rookie he went 6-11 with a 4.75 ERA. Chatwood had a 5.43 ERA in just 64 2/3 innings with the Rockies in 2011. He was enjoying his best season last year before injuries limited him to 20 starts. In 70 career games, Chatwood is 20-22 with a 4.34 ERA.
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