Ken Griffey Jr. retiring at age 40
Ken Griffey Jr. retiring at age 40 - The San Diego Union-Tribune
Ken Griffey Jr. Retires After 22 Seasons - The New York Times
Seattle Mariners, History & Notable Players
Prabook
Ken Griffey Jr. – Society for American Baseball Research
The wonder of Fernando Tatis Jr.; Jacob deGrom's pursuit of Bob Gibson; the struggling Yankees: Joe's Week in Baseball - The Athletic
Seattle Mariners - Wikiwand
I'm an MLB legend who retired in 2010 - but I'm still earning $3.59M from my old team every season