Here is an interesting infographic design from the people at Football Fan Flags that features facts about the referees in the professional association football league in England called the Premier League.
Check out this piece to learn about Premier League referees with information about the strictest ref Anthony Taylor and the most lenient ref Michael Oliver as well as different types of referees such as the most punitive ref, the ref with the highest card rate, the ref who gives the most penalties and the ref with the highest stoppage rate.
Infographic Source: https://www.footballfanflags.co.uk/blogs/news/the-card-and-penalty-index