|ESPN.com: Mixed Martial Arts||[Print without images]|
Koscheck and Ellenberger are among three fighters tied for the No. 7 welterweight ranking by ESPN.com.
Each fighter enters the bout seeking to rebound from a loss.
Koscheck (17-6) was on the short end of a split decision to Johny Hendricks on May 5.
Ellenberger (27-6) was knocked out in the second round on June 1 by Martin Kampmann. The loss ended Ellenberger's winning streak at six.
Light heavyweight champion Jon Jones is slated to defend his title against Dan Henderson in the UFC 151 main event.