1. ROCKY MARCIANO w ko 13 JERSEY JOE WALCOTT (1952)

ONE moment Walcott was on his way to victory, the next he was sliding down the ropes in unconsciousness. Boom.

  1. WALCOTT w ko 7 EZZARD CHARLES (1951)

WALCOTT gently ambled over to Charles in their third meeting like he was going to shake his hand but instead sparked him senseless.

  1. MIKE WEAVER w ko 15 JOHN TATE (1980)

THE punch that handed Weaver the WBA title in the final round was simply spectacular, and more than likely the trigger for Tate’s life to unravel.  

  1. RAY MERCER rsf 5 TOMMY MORRISON (1991)

NOT strictly a knockout, but one of the most of the most chilling finishes in memory, as Mercer battered and almost beheaded Morrison.

  1. DERRICK JEFFERSON w ko 6 MAURICE HARRIS (1999)

A CULT classic which swung both ways ended when Jefferson connected with a shot  powerful enough to short circuit a small country.

  1. JOE LOUIS w ko 13 BILLY CONN (1941)

LOUIS’ world title looked to be slipping away, before the challenger was spectacularly volleyed out of contention.

heavyweight knockouts
  1. GERRY COONEY w ko 1 KEN NORTON (1981)

NORTON was a faded force, and the 54-second shellacking he took at the formidable fists of Cooney remains hard to watch to this day.

  1. MIKE TYSON w rsf 2 TREVOR BERBICK (1986)

BERBICK’S exit was unforgettable as Tyson sent the Canadian to the mat three times with one punch. It was quite a statement.

  1. LENNOX LEWIS w ko 4 HASIM RAHMAN (2001)

AFTER being stunned by Rahman in their first meeting, Lewis was intent on revenge, and secured it with one booming shot in round four.

  1. DAVID TUA w ko 1 JOHN RUIZ (1996)

NINETEEN seconds was it all took for the Tyson-esque Tua to flatten Ruiz and put the rest of the division on high alert.