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03/05/2013 8:47 PM ET

Leg injury to keep Ross out 2-3 weeks

SCOTTSDALE, Ariz. -- D-backs outfielder Cody Ross is expected to be out two to three weeks due to a strain in his lower left leg.

Ross, who was signed to a three-year, $26 million free-agent deal this winter, had an MRI exam on Monday that showed a Grade 1 strain of the soleus muscle, which is part of the calf.

"I feel terrible," Ross said. "I wanted to come in and play and get accustomed to playing with my team, so to have this setback stinks. There's nothing I can do about it now but be positive and look forward to being back out there and being a part of the team again."

Ross will not do any running for the next two weeks, but during that time he will continue to throw and take batting practice. At the end of two weeks the team will decide whether he can begin running.

"There should be plenty of time to be able to go on Opening Day," Ross said.

D-backs manager Kirk Gibson said whether Ross would be ready for Opening Day depends on how long the injury lingers.

"I don't know," Gibson said when asked if Ross would be ready for April 1. "In two weeks, we'll see where he's at."

Steve Gilbert is a reporter for MLB.com. Follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.