Complex sentence: Karl James "K.J." Noons (born December 7,1982) is an American mixed martial artist, boxer, and kickboxer who currently competes in the Strikeforce lightweight division and was also the first as well as last EliteXC Lightweight Champion.
Split into simpler sentences: Karl James "K.J." Noons (born December 7,1982) is an American mixed martial artist, boxer, and kickboxer who currently competes in the Strikeforce lightweight division. He also previously competed in the EliteXC MMA promotion and was the first as well as last EliteXC Lightweight Champion.