Colorado Rockies starting pitcher Jhoulys Chacin is being shut down in spring training due to inflammation in his throwing shoulder.

Chacin will undergo an MRI on Monday. He's been limited in his throwing so far in camp.

Rockies manager Walt Weiss says Chacin has had similar pain in the past and has tried to pitch through it. Weiss added he's "not overly concerned" with the injury and wouldn't rule out still considering Chacin as the opening day starter.

Chacin was Colorado's top right-handed starter a year ago. The 26-year-old went 14-10 with a 3.47 ERA.

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