Koscheck vs. Ellenberger announced for September
UFC officials revealed the match up on Wednesday.
The 170 lb. tilt will be the co-main event of the September 1 card at the Mandalay Bay Events Center, featuring a light heavyweight title fight between champion Jon Jones and top contender Dan Henderson.
Both welterweights are coming off losses.
Ellenberger was defeated by Martin Kampmann in the main event of "The Ultimate Fighter: Live Finale," losing via technical knockout. Koscheck lost at "UFC on FOX 3" to Johny Hendricks in a close contest, dropping a split-decision to the contender.
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