Complex sentence: Despite being chairman of the Players' Union (the Professional Dart Players Association-PDPA), Manley was often the subject of controversy with fellow players, most notably Taylor in the aforementioned incident, and also in the 2006 PDC World Championship.
Split into simpler sentences: Despite being chairman of the Players' Union (the Professional Dart Players Association-PDPA), Manley was often the subject of controversy with fellow players. Most notably Taylor in the aforementioned incident, and also in the 2006 PDC World Championship.