One knockout led to two divergent careers for Mir and Sims

At UFC 46, Frank Mir and Wes Sims faced off in a rematch of their bout at UFC 43 that ended in disqualification when Sims stomped Mir on the head. This fight, a Yahoo! Sports KO of the Week, has Mir -- already sick from the flu -- looking woozy in the second round. However, he put together a series of knees and punches that finished Sims off.

After this fight, Sims and Mir's careers took a very different path. Mir went onto win the UFC heavyweight championship in his very next fight, snapping Tim Sylvia's arm in the process. He then was in a motorcycle accident that kept him from fighting for nearly two years, and when he returned, lost to Brandon Vera and Marcio Cruz. Things were looking grim for Mir until he put together a string of three wins over Antoni Hardonk, Brock Lesnar and Antonio Rodrigo Nogueira. Mir has found success not just in fighting, but as an announcer for World Extreme Cagefighting.

Sims, too, has faced adversity. He fought Mike Kyle at UFC 47, and was knocked out in the first round. In total, he is 16-9 since fighting Mir, losing to some of the very same fighters that Mir beat, like Hardonk and Sylvia.

Now, the two are again at a turning point in their career. Mir, currently the UFC interim heavyweight champion, is fighting in the main event at the UFC's biggest event to date, UFC 100. Sims, on the other hand, is on the outside looking in, clawing his way back to the Octagon as a cast member of "The Ultimate Fighter," season 10. Now living in the TUF house, Sims must look at Mir and wonder, "How did I get here?"

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