http://www.graciemag.com/en/2012/01/jon-jones-leaves-6-lessons-and-1-con...
“And last but not least: the controversy. Jones, who has been wrestling since he was 14 years old, is quoted by “O Globo” as saying, “Wrestling is a powerful weapon and cancels out Jiu-Jitsu. Good wrestlers know how to avoid getting pinned. I’ve never been pinned and never been taken down…”