Celtic and Rangers?
They're the obvious two.
The Scottish Premier League started in 1998 when it separated from the Scottish Football League. The two clubs rejoined in 2013 to form the Scottish Professional Football League.
Because they are two of the three most successful clubs in Scotland, along with Celtic.
Scottish Junior Football North Division Two was created in 2003.
Scottish Junior Football Central Division Two was created in 2002.
The football/soccer league known as the Scottish Premier League was founded in 1998. At its inception, the league had 10 clubs, but has expanded to have 12 currently. As of 2013, only two teams have won championships: Celtic and Rangers.
Watford and Stevenage Borough.
Fernando Torres
Ac Milan and Inter Milan/ Juventus
Scott McDonald
I would probably say the two best clubs of Germany is either FC Bayern, Borussia Dortmund 09 or Schalke 04
Boca Juniors and River Plate are the two main teams
Manchester United and Liverpool are both football clubs in the UK. They are two of the most successful clubs in England and both claim the title of the Greatest English Football Club.