Diamondbacks manager Chip Hale on Sunday named Josh Collmenter the team's Opening Day starter.
Josh Collmenter threw two scoreless innings in Saturday's Cactus League win over the Mariners.
Diamondbacks general manager Dave Stewart said Friday that Josh Collmenter would start on Opening Day.
Josh Collmenter went eight strong innings, allowing one run in a tough-luck loss to the Cardinals.
Josh Collmenter improved to 11-8 by holding the Twins to two runs in 6 1/3 innings on Monday.
Josh Collmenter painted eight innings of two-run ball but took the loss in Tuesday's 2-1 setback against the Giants.
Josh Collmenter painted six shutout innings in Wednesday's no-decision against the Giants.
Josh Collmenter fired seven innings of one-run ball to beat the Padres on Wednesday.
Josh Collmenter yielded only one run over 6 1/3 innings but was handed a no-decision as the D'Backs came back late and defeated the Rockies 5-2 on Friday.
Josh Collmenter fired 8 1/3 innings of one-run ball (none earned), striking out eight, to baffle the Padres in a 5-1 win on Friday.
Tuesday's game between the Diamondbacks and Indians has been postponed due to rain.
Josh Collmenter surrendered three runs on three hits over six innings Wednesday in a loss to the Royals.
Josh Collmenter yielded three runs on four hits over 5 1/3 innings Thursday versus the Pirates in a no-decision Diamondbacks' victory.
Josh Collmenter stifled the Cubs en route to a win on Sunday, allowing only one run over seven frames.