Bordel la boxe c'était pas un sport de PD avant

https://en.wikipedia.org/wiki/The_distance_(boxing)

"In the early days of bare-knuckle boxing, there was no limit on the number of rounds and so matches would be fought to a conclusion (i.e. with a knockout or tap out). For example, the match between Simon Byrne and James 'Deaf' Burke in 1833 lasted 3¼ hours"