No, it’s only the amateur sports/players.
That alone makes a person wonder.
That alone makes a person wonder.
Here's a study from 2011 looking at Sudden Cardiac Death in NCAA athletes:
https://www.ahajournals.org/doi/full/10.1161/CIRCULATIONAHA.110.004622
It isn't a new phenomenon, however I do not know if the rates of Sudden Cardiac Death is increasing dramatically among NCAA athletes.