2018 World Cup fouls: is there a correlation with perceived corruption?

In the graphic below, we analyze the Transparency International’s Corruption Perception Index (CPI) scores of the countries participating in the 2018 World Cup to their team’s average number of fouls per game.

Source: Corruption Perceptions Index (2017) by Transparency International is licensed under CC BY 4.0 DE
https://www.transparency.org/news/feature/corruption_perceptions_index_2017