Stakes are higher and emotions are stronger when adversaries have a history. The desire to best an old foe quite often brings out the best in both individual and team, with bragging rights to the victors.
Over the years, we have seen some massive rivalries amongst a number of teams which have led to some of the most memorable matches of all time.
Here are the 10 fiercest club rivalries in NRL history.
A must see game for fans of rugby league, this Queensland rivalry only seems to get more fierce after every contest. The 2015 grand final was the pinnacle of the Broncos and Cowboys rivalry and resulted in one of the greatest finishes to an NRL grand final ever.