Complex sentence: From 1998 to 2002, White found great success in mixed martial arts competition, compiling a record of 9-1 and winning the King of the Cage Middleweight Championship and defending it four times before losing a decision to MMA pioneer Jeremy Horn.
Split into simpler sentences: From 1998 to 2002, White found great success in mixed martial arts competition, compiling a record of 9-1 and winning the King of the Cage Middleweight Championship. White defended the title four times before losing a decision to MMA pioneer Jeremy Horn.