Complex sentence: Earlier that night, Liddell defeated Renato Sobral by KO (head kick) in the first round and later stated that he wanted his next fight to be for the light-heavyweight title.
Split into simpler sentences: Earlier that night, Liddell defeated Renato Sobral by KO (head kick) in the first round. After the fight, Liddell stated that he wanted his next fight to be for the light-heavyweight title.