Ahead of the World Cup Qualifiers, test your knowledge on these all-time international top goalscorers across Europe.
Do you know your Robin van Persies from your Ruud van Nistelrooys? Your Jan Kollers from your Pavel Nedveds? Who has bagged the most goals for Wales, Northern Ireland, Republic of Ireland, England and Scotland?
The first couple are simple enough, but if you can anywhere near top marks, you're a football genius...
On Sunday, Martin O'Neill's Northern Ireland go to the Czech Republic, live on Sky Sports 2 HD at 7.45pm, while Scotland travel to Malta, live on Sky Sports 1 HD at the same time.
On Monday, Republic of Ireland face a tricky trip to Serbia in Group D, live on Sky Sports 2 HD and Mix from 7.45pm, while Chris Coleman's Wales side return to action after their Euro 2016 heroics against Moldova in Group D, live on Sky Sports 1 HD from 7.45pm.
Sky Sports will be showing all of the UEFA section of World Cup Qualifiers live, excluding England games