The Champions League is the pinnacle of European club football - the competition in which the best clubs from across Europe fight it out for continental glory.
The presence of best clubs inevitably means top-of-the-range players have graced the Champions League pitch, and we have seen them produce moments of magic and class that will forever be etched in the history of the game.
Cristiano Ronaldo and Lionel Messi, two of the game's all-time greats, have delivered in the Champions League several a times, and the Portuguese and the Argentine occupy the first and second positions in the tournament's all-time top scorers list.
But, who has the best goals to game ratio in the history of the Champions League? It's neither Ronaldo nor Messi, though the latter has the highest goalscoring ratio in the competition among active footballers.
It's Germany legend the late Gerd Muller who has the highest goals per game ratio in the Champions League, having scored 34 goals from 35 matches for Bayern Munich.
Where do Messi and Ronaldo stand in the list? They're not far behind. Who all are in the top 10? We'll take a look at just that below.
Top 10 players with highest goals per game ratio in Champions League (Only players in the top 50 of the tournament's all-time top scorers considered):
1. Gerd Muller - 34 goals from 35 matches - 0.97 goals per game.
2. Ferenc Puskas - 36 goals from 41 matches - 0.88 goals per game.
3. Jose Altafini - 24 goals from 28 matches - 0.86 goals per game.
4. Alfredo Di Stefano - 49 goals from 58 matches - 0.84 goals per game.
5. Lionel Messi - 120 goals from 150 matches - 0.80 goals per game
6. Robert Lewandowski - 75 goals from 97 matches - 0.77 goals per game
7. Ruud van Nistelrooy - 56 goals from 73 matches - 0.77 goals per game
8. Cristiano Ronaldo - 135 goals from 177 matches - 0.76 goals per game
9. Jean-Pierre Papin - 28 goals from 37 matches - 0.76 goals per game
10. Eusebio - 46 goals from 65 matches - 0.71 goals per game