"What pitcher Aaron Cook wants to do when he returns from the disabled list suits the Rockies just fine - namely, pitch like the veteran that manager Jim Tracy and pitching coach Bob Apodaca thought they'd have to start the season.

Now they need Cook to help offset the loss of left-hander Jorge De La Rosa to a season- ending elbow injury.

Cook is ready to do that, though he's tempering expectations.

"I'm not going to be a savior, I'm just going to be Aaron Cook," he said after a rehabilitation start with the Colorado Springs Sky Sox. "When I get back, I want to have a low pitch count and be able to give the team a chance to win.""