Step 1 : Introduction to the question "2. Which heavyweight boxer bit the tip of Evander Holyfield's ear off in a bout?"
...1. Roberto Duran 2. Lennox Lewis 3. Joe Frazier 4. Mike Tyson The bout was Holyfield-Tyson II. The first fight saw Holyfield TKO Tyson in the 11th round. Their second fight is when 'Iron Mike' had an urge for chicken. With referee Mills Lane between the ropes, he disqualified Tyson after Mike's second attempt to bite Holyfield. The fight took place in June 1997.
