In the last 10 years, 3 different teams have won La Liga.
In the last 10 years, 3 different teams have won the Premier League.

In the last 20 years, 5 different teams have won La Liga.
In the last 20 years, 4 different teams have won the Premier League.

Let me introduce you to AS Monaco (plays in French league even though Monaco is not part of France), FC Andorra (plays in Spanish league even though Andorra is not part of Spain), San Marino Calcio (plays in Italian league even though San Marino is not part of Italy), FC Vaduz (which plays in the Swiss league, even…