Okami was forced to bow out due to a torn MCL, while Irvin withdrew due to a torn meniscus.
Both Sonnen vs. Miller and Foupa-Pokam vs. McFedries will be televised on the UFC 98 pay-per-view headlined by a light-heavyweight title fight between champ Rashad Evans and challenger Lyoto Machida.
Sonnen was pushed forward from a UFC 102 bout on August 29 against Wilson Gouveia. MMAWeekly.com is reporting that Irvin will take over Sonnen's fight versus Gouveia.
FIGHT CARD:
Pay-Per-View Bouts:
- Rashad Evans vs. Lyoto Machida
- Matt Hughes vs. Matt Serra
- Dan Miller vs. Chael Sonnen
- Xavier Foupa-Pokam vs. Drew McFedries
- Sean Sherk vs. Frankie Edgar
- Brock Larson vs. Chris Wilson
- Pat Barry vs. Tim Hague
- Phillipe Nover vs. Kyle Bradley
- Houston Alexander vs. Andre Gusmao
- Yoshiyuki Yoshida vs. Brandon Wolff
- George Roop vs. Dave Kaplan
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