When Cristiano Ronaldo's penalty to make it 2-1 against Paris Saint-Germain on Wednesday was inspected further, many struggled to understand how the ball appeared to raise off the spot before it was struck.
While it was not a sign that Ronaldo has wizardry levels of skill, it was by no means an accident according to former team-mate Rio Ferdinand.
The BT Sport pundit claims the Real Madrid star regularly perfected the bizarre spot-kick technique during training at Manchester United.
'He used to do that in training you know!