MANKATO, Minn. (AP) A man has pleaded guilty in a beating that left a former Minnesota State, Mankato football player with severe brain injuries two years ago.

Twenty-two-year-old Trevor Shelley of St. Peter pleaded guilty Wednesday to felony first-degree assault. A second count of third-degree assault would be dismissed under the plea deal.

A judge conditionally accepted the plea and set sentencing for May 13. The Free Press of Mankato (http://bit.ly/1UkJGbn ) reports that Shelley could face up to a year in jail, but prison time would be stayed.

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Shelley admitted punching former Mavericks linebacker Isaac Kolstad outside a downtown Mankato nightclub in May 2014. Former University of Minnesota quarterback Philip Nelson kicked Kolstad in the head after he fell.

Defense attorney Rich Hillesheim says Shelley is remorseful. His trial was set for Monday.

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Information from: The Free Press, http://www.mankatofreepress.com