Complex sentence: Madden, born Curtis Ray Madden III, was born in Texas before moving to Mission Viejo, California later in his life before attending Mission Viejo High School where he played football as an inside linebacker and was used as a wildcat quarterback.
Split into simpler sentences: Madden, born Curtis Ray Madden III, was born in Texas before moving to Mission Viejo, California later in his life. He attended Mission Viejo High School where he played football as an inside linebacker and was used as a wildcat quarterback.