Jorge De La Rosa pitched eight innings, Ian Stewart hit a solo homer and the Colorado Rockies beat the slumping Arizona Diamondbacks 5-0 on Friday night.
The Rockies have won a season-best six straight at Coors Field, and moved to 24-9 overall since Jim Tracy replaced Clint Hurdle as manager.
De La Rosa (5-7), who has never had a complete game, won for the fifth time in six starts, allowing four hits and striking out six. The left-hander got 14 groundball outs.
The Diamondbacks had three more errors, running their season total to a major league-leading 74.
Max Scherzer (5-6) allowed six hits over six innings as the Diamondbacks lost for the eighth time in nine games.
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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