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 20-year-old woman. Elliott says the woman got the bruises and abrasions in a bar fight.

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The player's father, Stacy Elliott, said in a statement Friday that the claims are "completely false" and that his son has cooperated with the investigation.

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

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