However , PERSON@1 states that the term derives from the commercial benefits of the two clubs ' rivalry , which were viewed with distaste in some quarters in the early days of the game .

However , PERSON@1 states that the term comes from the commercial benefits of the two clubs ' rivalry , which were viewed with distaste in some parts in the early days of the game PERSON@2 , PERSON@3 -LRB- NUMBER@1 -RRB- .
