Ken Griffey Jr.: MLB Hall of Famer joins Seattle Mariners ownership
Ken Griffey Jr. Joins Seattle Mariners Partnership Group, by Mariners PR
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Mike Piazza and Ken Griffey Jr. Enshrined at Cooperstown - The New York Times
Ken Griffey Jr.: MLB Hall of Famer joins Seattle Mariners ownership
Ken Griffey Jr. Buys Into Seattle Mariners Ownership
Former Seattle Mariners great Ken Griffey Jr. joins ownership group for Seattle Sounders
Ken Griffey Jr. joins Seattle Sounders ownership group - Puget Sound Business Journal
Baseball Hall of Famer Ken Griffey Jr. joins Seattle Mariners' ownership group