Complex sentence: Real España classic is not as fierce as the other two already mentioned as these both teams have a good relationship with each other from the players, to the board and the fans; however they had play six intense league finals, three won by each side.
Split into simpler sentences: Real España classic is not as fierce as the other two already mentioned as these both teams have a good relationship with each other from the players, to the board and the fans. However, they had play six intense league finals, three won by each side.