Mike Tyson never fails to put on some kind of a show, be it a fierce display of fighting skills or a sideshow performance that has observers wondering if he needs psychiatric help.

Apparently, Tyson himself wonders those same things. In a Sunday Conversation with ESPN's Jeremy Schaap, the former heavyweight champion expounds on what it's like to be a fighter, saying, "we're not normal."

He also says he didn't prepare properly for his last bout with current champion Lennox Lewis, who pounded Tyson last June in the highest-grossing pay-per-view event in history.

For his next fight, against Clifford Etienne next week at The Pyramid in Memphis, Tyson says he wants to "purge the ring with blood."

That's the kind of talk we've become accustomed to hearing from Iron Mike. Here are some other offerings from the interview: