Pro footballers died of cardiovascular problems during games (match or training) at 4 times (31/7.8) the average rate of cardiovascular deaths from 2009 to 2020.There were more than 15x as many deaths from heart attacks and strokes in 2021 than there were in 2020.
There were 3.5 times as many deaths in December 2021 than there were in the whole of 2020.
There were almost as many deaths in December 2021 (7) as the annual average rate over the last 12 years (7.8 per year).