"Because if Bruce Lee doesn't have a gun, then it's Ali in three minutes or less."
It kinda reminds me of the tennis match between Billie Jean King and Bobby Riggs back in 1973. There is some debate whether Riggs allowed her to win or not.
https://en.wikipedia.org/wiki/Battle_of_the_Sexes_(tennis)
20th September 1973: Billie Jean King defeats Bobby Riggs in the ‘Battle of the Sexes’ tennis match
https://www.youtube.com/watch?v=T9zu7g2fjf0