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IOWA CITY, IOWA (AP) -- The backup quarterback for the Iowa Hawkeyes faces charges after an incident outside an Iowa City bar.

A criminal complaint filed against 20-year-old A.J. Derby in Johnson County District Court says authorities were called to the bar late Saturday after a man punched out the window of a bus as he was exiting it. The filing says Derby admitted to damaging the window and took a breath test, which measured his blood-alcohol level at .120.

The complaint, cited by the Iowa City Press-Citizen  charges Derby with criminal mischief and public intoxication.

The Hawkeyes did not play Saturday. Derby, a red-shirt freshman from Iowa City, has appeared in two games this season. An athletics spokesman told The Associated Press that appropriate discipline will be taken in keeping with university policy.

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