Who was one of the most successful changes in Petrosyan's career?
Switch to kickboxing rules
Move to Heavyweight
Joining UFC
Retiring from fighting
Answer
In 2007, Petrosyan switched to kickboxing rules and made his debut in It's Showtime, where he was highly successful, winning all six of his fights, defeating top fighters such as Zabit Samedov and Andy Souwer.
The Unstoppable Gladiator: A Quiz on Giorgio Petrosyan's Kickboxing Legacy