Wladimir Klitschko faces off in front of a record-breaking 90,000 fans at Wembley stadium in London at 11pm today.
There is a difference of 50 fights and 314 rounds between them Klitschko is now 41 and has a wealth of experience on his side to the 27-year-old Briton with young legs and explosive power.
This means that Klitschko boxing experience equals to the same amount of time Joshua has been alive.
Wladimir Wladimirowitsch Klitschko is a Ukrainian professional boxer.
He is a former world heavyweight champion as strategic and cerebral boxer, Klitschko is considered to be one of the greatest heavyweight champions of all time.
He is 199 cm tall and worth 60 million US Dollars. He is 68 fights in total with 64 wins and 4 losses.
On the other hand, the 27-year-old Anthony Joshua is a British professional boxer.
He has held the IBF heavyweight title since 2016, having previously held the British and Commonwealth heavyweight titles from 2015 to 2016.
He is 2012 olympic gold medal winner. He is 198 cm tall with 18 fights in total with zero loss and a 100% knockout-to-win ratio If he beats Klitschko, he will become boxer of the world.