1. Roy Jones Jnr ko 4 Virgil Hill (1998)

Hill could do nothing to prevent a lethal right hand slamming into his ribcage in the fourth.

  1. Micky Ward ko 7 Alfonso Sanchez (1997)

Delivering his bread-and-butter manoeuvre, Ward touched Sanchez upstairs before folding him in two with a left hook to the liver.

  1. Arturo Gatti ko 2 Leonard Dorin (2004)

Rather than the gruelling affair many expected, Gatti dispatched Dorin with relative ease with a left hook.

  1. Bernard Hopkins ko 9 Oscar De La Hoya (2004)

“Never in my wildest dreams did I think I’d get stopped by a body shot,” said De La Hoya after Hopkins left him writhing on the canvas.

  1. Ricky Hatton ko 4 Jose Luis Castillo (2007)

The teak-tough Mexican turned away and took a knee when Hatton punished him with a left hook.

  1. Canelo Alvarez ko 9 Liam Smith (2016)

After controlling proceedings for eight rounds, Canelo produced the third and final knockdown of the night with a monstrous left hook that was audible from ringside.

  1. Gerry Cooney ko 1 Ron Lyle (1980)

The towering Cooney opened Lyle up with a brace of uppercuts before flooring him for good with a left hook.

  1. Marco Antonio Barrera ko 3 Jesse Benavides (1996)

A sharp combo ending with a particularly brutal left hook was enough to put Benavides away.

  1. Gennady Golovkin ko 3 Matthew Macklin (2013)

The Kazakh wrecking ball left Macklin gasping for air with a bone-crunching left hook.

  1. Gerald McClellan ko 1 James Williamson (1990)

A looping left hook just as Williamson was backing off instantly floored him and had him screaming in pain.