Ken Griffey Jr, Seattle Mariners Stock Photo - Alamy

Seattle Mariners Hall-of-Famer Ken Griffey Jr. speaks from the podium during a ceremony to retire his number 24, Saturday, Aug. 6, 2016, at Safeco Field in Seattle. (AP Photo/Ted S. Warren Stock

Seattle Mariners Ken Griffey Jr. and Ichiro Suzuki were carried off the field after the Mariners defeated the Texas Rangers 4-3 to end their season at Safeco Field in Seattle, Washington, Sunday

Seattle Mariners Josh Wilson and Ken Griffey Jr. celebrate after scoring on a double by Rob Johnson in the sixth inning of a baseball game against the Baltimore Orioles Tuesday, May 11

Seattle Mariners' Ken Griffey Jr. removes his helmet after hitting a three run RBI homer to right field against the New York Yankees in the second inning at SAFECO Field in Seattle

Chicago White Sox's Ken Griffey Jr. steps into the batters box during the first inning against

Seattle Mariners Ken Griffey Jr. (24) in action during a game from the1996 season against the Milwaukee Brewers at County Stadium in Milwaukee, Wisconsin. Ken Griffey Jr. played for 22 years with

Seattle Mariners' Ken Griffey Jr., right, walks past Felix Hernandez and onto the field before the Mariners' baseball game against the Los Angeles Angels on Tuesday, April 14, 2009, before a baseball

Seattle Mariners Ken Griffey Jr. Los Angeles Angels Wednesday, April 15, 2009, in the inning during a baseball game in Seattle. (AP Photo/Elaine Thompson Stock Photo - Alamy

Seattle Mariners' Ken Griffey Jr. watches his 624th career home run during a baseball game against the Cleveland Indians on Sunday, August 23, 2009, at Progressive Field in Cleveland, Ohio. (AP Photo/David

Ken Griffey Jr. of the Seattle Mariners during a game at Anaheim Stadium in Anaheim, California during the 1997 season.(Larry Goren/Four Seam Images via AP Images Stock Photo - Alamy