Complex sentence: Turk was the ADCC European Champion in 2005 and was the British Cage Rage Heavyweight Champion, before relinquishing his title to sign a four-fight deal with the UFC.
Split into simpler sentences: Turk was the ADCC European Champion in 2005 and was the British Cage Rage Heavyweight Champion. Before relinquishing his title to sign a four-fight deal with the UFC.