Ohio State Linebacker Storm Klein pleaded not guilty to domestic violence and assault charges on Saturday morning.
Prosecutors said that Klein, 21, argued with the alleged victim about their relationship before allegedly throwing her, causing a head injury.
Prosecutors filed a protection order for the victim and her daughter. Klein was released on his own recognizance.
Officials from The Ohio State University said there would be no comment on the case until all the facts were known.
Storm is a senior in his fourth year with the Ohio State football team. He served as a starting linebacker in 10 games in 2011.
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