Before he was a pro wrestling star, Cody Rhodes was an exceptional amateur wrestler.

Rhodes’s new documentary, “American Nightmare: Becoming Cody Rhodes,” premieres on Peacock on July 31. It details his story, including his success on the wrestling mat.

In an exclusive clip, here is a preview of that part of Rhodes’s story:

In one of the most significant matches of his pro wrestling career, Rhodes will wrestle Brock Lesnar on Aug. 5 at WWE’s SummerSlam.