Ken Griffey Jr. retires at age 40 with 630 homers - The San Diego Union-Tribune
Ken Griffey Jr. Takes His Rightful Place in the HOF - Sports Collectors Digest
Retired Griffey to work for Mariners
What matters most to MLB players, the New York youth movement - The Athletic
Ken Griffey Jr. retires from baseball on June 2, 2010, ending the most accomplished and celebrated career in Seattle Mariners history.
Griffey Jr., Ken Baseball Hall of Fame
53-Year-Old Ken Griffey Jr. Smashes Homers In WBC Batting Practice, Team USA In Awe
Seattle Mariners great Ken Griffey Jr. bows out at 40 with unexpected retirement – Twin Cities
The Skanner News - Ken Griffey Jr. Retiring at Age 40
This Day In Sports: August 31, Sports
In 1990, the Griffeys became the first father-son pair to play in the same Major League lineup