Netflix has just dropped the long-awaited sports documentary “The Underdog,” a deep dive into the life and legacy of Ken Griffey Jr., the iconic Seattle Mariners outfielder and one of baseball’s most beloved figures.
The film, released today exclusively on Netflix, chronicles Griffey’s rise from a young prodigy in Cincinnati to becoming a symbol of hope, swagger, and generational talent in Seattle. Through rare archival footage, exclusive interviews with teammates, family members, and Griffey himself, The Underdog captures the highs, lows, and cultural impact of a player who changed the game both on and off the field.
Directed by Emmy-winning filmmaker Ava Green, the documentary goes beyond statistics and highlight reels, offering an intimate portrait of a man who carried the weight of a franchise, endured injury-plagued seasons, and helped shape the modern era of baseball.
Fans and critics alike have praised the documentary for its emotional depth and compelling storytelling. Early reviews call it “an instant classic” and “a must-watch for baseball fans and sports lovers alike.”
Netflix has been ramping up its sports documentary lineup in recent years, following the success of titles like The Last Dance and Quarterback. The Underdog marks another bold move in the streamer’s commitment to high-quality sports storytelling.
“Ken Griffey Jr. is more than just a Hall of Famer — he’s a cultural icon,” said Netflix VP of Sports Content, Laura Martinez. “This film celebrates the legacy of a man who inspired a generation and redefined what it meant to be a superstar.”
The Underdog is now streaming globally on Netflix.
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