By Bruce Levine-

(CBS) Top Cubs top pitching prospect C.J. Edwards was scheduled to be examined by team doctors Thursday after complaining of right shoulder discomfort after throwing a side session earlier in the week.

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The 22-year-old right-hander is 1-0 at  Double-A Tennesse with a 2.61 ERA in four starts this season. He was acquired in a trade with Texas for Matt Garza last July.

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Team officials wanted Edwards to see club doctors as a precaution.

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Bruce Levine covers the Cubs and White Sox for 670 The Score and CBSChicago.com. Follow him on Twitter @MLBBruceLevine.