Watch Junior (2020) : Full Movie Online Free In exclusive new interviews, stars and legends across the sports and entertainment landscape discuss Ken Griffey Jr.’s generational talent, which transcended baseball and made him one of sports’ most famous athletes. Narrated by Emmy and Golden Globe award-winning actor Sterling K. Brown, the 90-minute documentary chronicles Griffey Jr.’s journey from growing up in clubhouses alongside his father Ken Griffey, Sr. to becoming the face of baseball throughout the 1990s. From his picturesque swing to his unforgettable swagger, Griffey Jr. opens up about his life’s seminal moments, which propelled him to 630 home runs and a first-ballot induction into the National Baseball Hall of Fame in 2016.