Teams that have surprisingly never met in Europe.

The news that Porto and Borussia Dortmund have never before met in UEFA club competition got us thinking: which other big European names' paths have never crossed?

 The news that UEFA Europa League round of 32 opponents Porto and Borussia Dortmund have never before met in UEFA competition got us thinking: which other big European names' paths have never crossed? Here is what we discovered.

 Top ten fixtures that have never happened
1 Atlético Madrid v Paris Saint-Germain
2 Chelsea v Dortmund
= Arsenal v Atlético Madrid
4 Barcelona v Zenit
5 Chelsea v Zenit
6 Barcelona v Napoli
= Atlético Madrid v Manchester City
= Paris Saint-Germain v Zenit
= Juventus v Schalke.
 10 Benfica v Manchester City.