Three times.
The first two were for the welterweight title.
June 1980, Duran took the title from Leonard,
Nov @80, Leonard got his revenge,
Dec '89, Duran (now the WBC middleweight champion) goes after Leonards WBC super middleweight crown, and Leonard outboxes him over 12 rounds (the first two fight were fifteen rounders)
manny 'pacman' pacquiao
No! Leonard knocked down Ayub Kalule. The fight was stopped after Kalule got up. Fight seems to have been stopped, prematurely!
none. but Robinson was knocked down once in the second fight which Jake won
28 or 29 times
A rule requiring that a boxer who is knocked down three times in the same round be declared knocked out
No. The official decision was not a knockdown.
2
peeps knocked it down
Though no single volume can document how Stonehenge got knocked down, it is believed it was knocked down by an earthqauke.
the habitats are getting knocked down because the affcinas
Sugar Ray Robinson, widely regarded as one of the greatest boxers of all time, was never officially knocked out in a professional bout. He did experience some losses by decision and was knocked down in fights, but he always managed to get back up and continue. His resilience and skill are part of what made him a legendary figure in boxing history.
Margam Castle has never been knocked down or invaded.