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<h3><a href="/go=news.detail&gid=414558" target="_blank">
The 10 most disappointing UFC debuts
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<a href="/go=news.detail&gid=414558" ><img class="photo" src="http://img.mixedmartialarts.com/method=get&rs=70&q=75&x=12&y=5&w=310&h=165&ro=0&s=hector-lombard-08-15-10-15-30-58-235.jpg" /></a>
<strong class="ArticleSource">[bleacherreport.com]</strong>
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Amir Sadollah
Forrest Griffin, Rashad Evans and Michael Bisping have all shown us how far an Ultimate Fighter winner can progress in the UFC.
Amir Sadollah apparently didn't get the memo, as the Virginia native lost his post-show debut in only 29 seconds.
Anthony Pettis
Joe Silva matched up Pettis with the repeat Fight of the Year champion Clay Guida. It was a bout that was sure to thrill.
Instead, Guida used a wrestling-centric attack and ground out a decision in a fight where Pettis was able to get off little offense.
Jake Shields
Heath Herring
Kimbo Slice
Hector Lombard
Yet another example of a fighter who arrives to the UFC in tentative fashion, Hector Lombard made his UFC debut at UFC 149 against Tim Boetsch.
Slow to the punch, Lombard was flat footed and lacked aggression throughout the contest. Although he hurt Boetsch with a body kick in the second round, he was unable to follow up with enough offense to be worthwhile.
Brock Lesnar
Standing across the cage from Lesnar in his promotional debut was grappling specialist and former UFC champion Frank Mir.
Trying to end the bout quickly, the Minnesota native took Mir to the canvas and started to pound away with hammer fists. The bout was stood up for a strike to the back of the head, but the two quickly returned to this position.
Lesnar rose to his feet, and Mir identified a flaw in his opponent's stance. Locking in a kneebar, Lesnar's debut fight saw him submitted in only 90 seconds.
Antonio Silva
Rameau Sokoudjou
Mauricio 'Shogun' Rua