Cristiano Ronaldo's heart rate was at its lowest right before taking his first penalty for Portugal during Euro 2024 knockout clash vs Slovenia
![Cristiano Ronaldo's heart rate was at its lowest right before taking his first penalty for Portugal during Euro 2024 knockout clash vs Slovenia](https://i.dailymail.co.uk/1s/2024/07/02/22/86850377-0-image-a-43_1719955503565.jpg)
The 39-year-old was not fazed by the pressure as his heart-rate was under 100bpm, his lowkest throughout the night, according to data provided by WHOOP.