Junior Dos Santos made his UFC debut on Oct. 25, 2008, flattening the favored Fabricio Werdum with a vicious uppercut just 80 seconds into the fight to clinch Knockout of the Night honors.
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The Dos Santos buzz continued to build when he needed just 54 seconds to knock out Stefan Struve at UFC 95 on Feb. 21, 2009.
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Dos Santos kept streaking when he submitted Mirko Filipovic in the third round at UFC 103.
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Dos Santos scored yet another first-round stoppage when he finished off Gilbert Yvel with a flurry of punches just 127 seconds into their UFC 108 showdown on Jan. 2, 2010.
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UFC Live: Vera vs. Jones
The Brazilian native picked up his second career Knockout of the Night bonus when he starched Gabriel Gonzaga in the first round on March 21, 2010.
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Dos Santos emerged as a bona fide contender to the UFC heavyweight title when he outpointed Roy Nelson unanimously at UFC 117 on Aug. 7, 2010. It marked the first time an opponent pushed Dos Santos the distance, though he clearly dominated the action.
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TUF 13 finale
When Dos Santos' title shot against Cain Velazquez was scuttled due to a Velazquez injury, the Brazilian stopped in as one of the coaches on TUF 13 and defeated Shane Carwin in the finale via unanimous decision.
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UFC on Fox 1
Dos Santos needed just 64 seconds to knock out Cain Velazquez for the UFC heavyweight championship in the first-ever UFC card to be telecast on Fox. It marked Dos Santos' third career Knockout of the Night bonus.
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When Alistair Overeem failed a pre-fight drug screening ahead of a much-ballyhooed heavyweight showdown with Dos Santos at UFC 146, the Brazilian fought Frank Mir instead -- and came through with a second-round knockout in his first defense of the UFC heavyweight title.
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