Oviedo was ejected from Wednesday's game at Triple-A Memphis after the top of the fourth inning for an apparent violation of the league's foreign substance rules, Jeff Jones of the Belleville News-Democrat reports.

Oviedo has been in Memphis since late July, and he was removed from Wednesday's contest after an umpire examined his glove as he left the mound. His glove was confiscated and will be examined by the league. If the right-hander is found to be in violation of the foreign substance policy, he'll face a 10-game suspension.

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