Complex sentence: Through November 2002 to January 2003, O'Connor went on a run of scoring five goals in 11 games and finished the 2002--03 season having scored nine goals in 53 appearances.
Split into simpler sentences: Through November 2002 to January 2003, O'Connor went on a run of scoring five goals in 11 games. He finished the 2002--03 season having scored nine goals in 53 appearances.