 Arguments have raged as to what led to Balmain's actions, and the day's events have caused the 'Tigers' and the South Sydney Rabbitohs to generally harbour nothing but ill-will towards each other ever-since.The seeds of the dramatic events of 1909 lay in the years before rugby league was formed, back when Balmain and Souths were rugby union clubs.In 1900 the Metropolitan Rugby Union (MRU) replaced the private clubs of the 1800s with district clubs.