Champion belt Muhammad Ali, won by him in the famous 1974 battle "Rumble in the Jungle" with George Foreman, was sold at auction on Sunday for $6.18 million.
The lot was won by Jim Irsay, owner of the Indianapolis Colts football team. The American businessman confirmed the auction result on Twitter.
Irsey will put the belt on display for visitors to his team's stadium. Ali and Foreman fought for the WBC heavyweight title. The fight ended with an early victory for Ali.