The Rockies sent minor-league right-hander Chaz Roe to Seattle for Lopez, the Mariners announced Thursday night.
Roe was 9-13 with a 5.98 ERA in 27 starts for Triple-A Colorado Springs this past season. Roe was 7-3 with a 3.15 ERA at Double-A Tulsa in 2009. He was picked in the first round by the Rockies in the 2005 draft (32nd overall).
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