Johnny Knoxville nearly lost his testicles

Daredevil Johnny Knoxville has revealed he nearly lost his testicles when a 'Jackass' stunt went wrong.

Knoxville - who regularly completes dangerous stunts on the MTV show - was rushed to hospital after his attempt to back flip on a motorcycle went wrong.

He wrote on his official blog: "I've just got back from Oklahoma where I was shooting 'Mat Hoffman's tribute to Evel Knievel.' I had a ball, too, even though I almost lost my own balls in the process!

"I don't want to give too much away because it doesn't air until February 23, but let's just say before I did a back-flip on a motorcycle I should have learned how to ride one first.

"I have to go now. I have to empty the p**s bag on my leg that I have to wear for the next two weeks until my torn urethra heals."

Alongside Johnny's blog post was a picture of two pairs of his trousers which were bloodstained around the groin area.

This is not the first time father-of-one Johnny has been taken to hospital following a botched stunt.

While filming 'Jackass: The Movie' in 2002, he was knocked out by one of his cast mates and had to be treated for concussion.