Mike Marshall, MLB record-holder for most relief appearances in a season, dies at 78 

Ironman pitcher Mike Marshall, the first reliever in baseball history to win a Cy Young Award, has died at the age of 78.

https://www.usatoday.com/story/sports/mlb/2021/06/01/pitcher-mike-marshall-1974-nl-cy-young-award-winner-dies-87/7499143002/