KEN GRIFFEY JR.'S MILESTONE HOME RUNS! (From his 1st to his 600th, check out his most memorable HRs)

Ken Griffey Jr. hits 400th career home run

KEN GRIFFEY JR.'S MILESTONE HOME RUNS! (From his 1st to his 600th, check out his most memorable HRs)

Ken Griffey Jr. Launches 100th Career Home Run

Ken Griffey Jr. - Wikipedia

Griffey Jr. hits his 630th career home run

Griffey Becomes Sixth Player With 600 Career Home Runs - The New York Times

CIN@FLA: Ken Griffey Jr. smashes his 600th career homer

Ken Griffey Jr. hits his first MLB home run

Ken Griffey Jr., Zachary, And Me. Ken Griffey Jr.'s Hall of Fame clout…, by Richard Fitch

Ken Griffey, Jr. hits his 300th career home run to become the second-youngest player to reach the milestone - This Day In Baseball

CIN@FLA: Ken Griffey Jr. smashes his 600th career homer

April 10, 2000: Ken Griffey Jr. becomes youngest player to hit 400 home runs – Society for American Baseball Research