The 27-year-old was shown to have punched his then-fiancee in a lift of an Atlantic City hotel in February, knocking her unconscious, which culminated in his arrest.
"Ray had given a story to John [Harbaugh] and I," Newsome said to the Baltimore Sun. "And what we saw on the video was what Ray said. Ray didn't lie to me. He didn't lie to me."
However, Ravens president Dick Cass believes that the facts he was told differ to what was present in the footage from the lift.
He said: "There's a big difference between reading a report that says he knocked her unconscious or being told that someone had slapped someone and that she had hit her head.
"That is one version of the facts. That's what we understood to be the case. When you see the video, it just looks very different than what we understood the facts to be."
A report emerged on Wednesday that the NFL received a copy of the video three months before it was released online.