To succeed at the highest level, clubs must incorporate both youth and experience when selecting their match-day squads.
This is easier said than done.
Their has been some truly breathtaking football already this year, and coming into the climatic few weeks in the Premier League, we take a look at who has been able to find the perfect balance between youth and experience and find out where these clubs are in the league table.
Are they in the Premier League title race, wavering in the battle for survival or simply enjoying some Premier League stability?
Let's find out.