Don Frye says he didn't need Jiu-Jitsu because it's a watered down version of Judo w/ Dan Severn.

Dan Severn and Don Frye's Fan Q&A (Episode 40) On this episode of Fan Q&A Don Frye shoots on Vader and tells a story about doing shots with Heath Herring and a pregnant Tonya Harding. Don also claims that he hit harder than any opponent in his fights and he did not need to learn Jiu-Jitsu as it was just a watered down version of Judo.