Matzek will not pitch Tuesday against Arizona as the game has been postponed due to rain. The Diamondbacks and Rockies are planning to play a doubleheader Wednesday to make up one of the two games lost in the series due to inclement weather. Matzek, who has posted a 2.70 ERA in four starts despite a 1.55 WHIP, will likely just move back yet again and start opposite Josh Collmenter.