Died suddenly.

None of us have ever seen so many young people, especially young athletes in HS, college or professional sports die suddenly during practice or during a game.

https://www.msn.com/en-us/sports/other/top-ranked-alabama-high-school-basketball-player-dies-suddenly-during-workout/ar-AA1feorM?ocid=msedgntp&cvid=6169df386c664ff48a5b756438aca1b9&ei=9