Ken Griffey Sr. explains why Griffey Jr. began wearing his hat backwards
Hall of Fame may let Ken Griffey Jr.'s plaque feature backwards hat
MLB tasks Ken Griffey Jr. to help with youth baseball development - ESPN
Cubs look back on Ken Griffey Jr.'s career
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Do MLB players get new hats every game? - Quora
Elder Griffey beams about son entering Hall of Fame
Ken Griffey Jr. Reveals Why He Always Wore A Backwards Hat – OutKick
Ken Griffey Jr. Reveals Why He Always Wore A Backwards Hat – OutKick
Will LeBron James and his son Bronny play in the NBA together like Ken Griffey Jr. and his father did on the Seattle Mariners?
Ken Griffey Jr. - Wikipedia