The 34-year-old American boxer has won all 42 of his professional fights, 26 by knockout.
Skelton has 21 wins, 18 by knockout, and two defeats in his 23 fights.
Khan's professional record currently stands at 26 wins, 18 by knockout, and two defeats in 28 fights.
Peterson has lost just one of his 32 fights, winning 30, 15 by knockout, and drawing one.
Khan was beaten by knockout after just 54 seconds in fight with Breidis Prescott at Manchester's MEN Arena.
His five-year career has really taken off in the last 18 months with seven successes, six of them by knockout.
Bellew, a former three-time ABA champion at heavyweight, turned professional in 2007 and has won all 13 of his fights, nine by knockout.
Evensen has won his last five fights by knockout, boasts a 13-1 record, and is seen as a stiff test for the new champion.
After his success in Beijing, the fighter turned professional and joined the Maloney camp, winning his first fight in Dublin last December by knockout.
Unlike his Olympic successor, Britain's Sydney 2000 champion Audley Harrison, he has a formidable record in professional boxing, winning 58 of his 61 fights -- 51 by knockout.
"I'd like to give Ornelas a lot of credit, he didn't come to lay down, " said Hopkins, who has now won 50 of his 56 professional fights, 32 by knockout.
He started to use his length and reach to keep Cunningham on the outside while landing power punches, culminated by the knockout punch.
Yet unlike several other giant-killers in the Republican primaries that year, who proved too extreme for the broader electorate, Mr Rubio went on to win the general election by a knockout 19 points.
At the age of 34 and with a myriad of interests outside the ring, speculation has been swirling whether or not Pacquiao would continue fighting after his devastating knockout by the right fist of Juan Manuel Marquez in December.
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The winner is determined by a checkmate or a knockout.
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Sprott, 35, won by a stunning third-round knockout when he met Harrison for the European crown in 2007, but the Bedford fighter has lost four of his last six fights.
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Kenya has staged one-day international cricket for the past six years, including the 2000 ICC Knockout tournament, which was won by New Zealand.
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The first is a raw accounting of how many of the eight potential knockout round participants were correctly identified by each model or pundit.
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The latest idea, backed by F1 supremo Bernie Ecclestone, is for 'knockout' qualifying divided into three stages.
Cook was floored five times by the American en route to an 11th-round knockout, but the former British, European and Commonwealth featherweight champion says he will be a different proposition at the higher weight.
That argument is perhaps backed up by the fact that Spain has now not conceded a knockout-stage goal in any tournament since the 2006 World Cup, a run of nine matches and a remarkable 900 minutes of action.
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Bayern, who were beaten at home in midweek by Bordeaux to severely dent their hopes of qualifying for the knockout stages of the Champions League, could not find a winner in the second half and trail German leaders Bayer Leverkusen by six points.
Togo helped the Ivorians to go through to the knockout phase ahead of the final round of group games by beating Tunisia's north African rivals Algeria.
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The 1998 Commonwealth Games champion reignited his career by winning Prizefighter last year and then scored a 12th-round knockout against Michael Sprott to win the EBU heavyweight title in April.
He seemed keen to go for an early knockout, and the strategy almost backfired as Tarver scored points by trapping Jones on the ropes and landing punches with both hands.
Round one, just last December, was a knockout for the 523 banks that took in 489 billion euros by putting up suspect collateral and having to pay only 1% a year for the money.
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However, Jones suffered an even more chilling knockout against Jamaica's Glen Johnson four months later before being outpointed by Tarver in a decider in 2005.
Both Manchester teams were exposed by superior opposition in Europe this season, failing to advance to the Champions League knockout round and making swift exits in the secondary Europa League.
In the English FA Cup , arguably the most famous domestic knockout competition in world club football, Premier League giant Liverpool was given a scare by fifth tier side Mansfield.
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