COLUMBUS, Ohio (AP) The NFL says it is reviewing domestic violence allegations against Dallas Cowboys rookie Ezekiel Elliott.

A police report says Elliott denied allegations that he assaulted his girlfriend early Friday in Columbus, Ohio, causing bruises and abrasions. The report says he wasn't arrested because of conflicting versions of what happened. Three witnesses told police they didn't see Elliott assault the woman.

A message seeking comment was left with Elliott's agent.

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Elliott is a running back who played at Ohio State. He turned 21 Friday.

NFL spokesman Brian McCarty says the allegations will be reviewed under the league's personal conduct policy.

The 20-year-old woman also says Elliott struck her several times in the past week, which he also has denied. Elliott says she got the bruises and abrasions in a bar fight.