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

Twenty-two-year-old Trevor Shelley of St. Peter was sentenced Friday in Blue Earth County court to nearly five months in jail. Shelley pleaded guilty in March to felony first-degree assault.

He 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.

Shelley declined to speak at the sentencing. The Star Tribune reports Kolstad and his mother talked about the difficulties they have faced since the night Kolstad was injured.

Kolstad underwent months of physical therapy, relearning how to walk and talk.

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