Chael Sonnen Calls Out ‘Shogun’ Rua, Looking To Replace ‘Lil Nog’ At UFC 161

Chael Sonnen at the 2011 Fighters Only World MMA Awards – Image by Ethan Miller/Getty Images North America

Former UFC middleweight and light heavyweight contender Chael Sonnen (27-13-1) is looking to replace an injured Antônio Rogério Nogueira at this months UFC 161 event.