7. Silva-Sonnen (UFC 117)

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As this fight wore on, it seemed like Anderson Silva was destined to lose his title, getting massively outstruck by Chael Sonnen. However, Sonnen cracked the door open to a submission hold with about two minutes to go, and the rest was history…

8. Hughes-Trigg II (UFC 52)

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Naturally, most of the fights on this list are going to be multiple-rounders. This one, however, only lasted for about four minutes. Even so, the resiliency that both fighters showed to even get the bout that deep into the first round was so impressive that few who saw the fight live will soon forget it.