Roger Federer describes the influence Michael Chang other greats had on his game, ESPN 30 for 30

Roger Federer describes the influence Michael Chang other greats had on his game, ESPN 30 for 30 Roger Federer and others discuss the many skills that helped Michael Chang become a young tennis star. American Son tells the story of Michael Changs improbable rise as a young American tennis star, including his 1989 French Open title at age 17. The 30 for 30 documentary premieres July 29 at 7 p. m. ET on ESPN. , ESPN Subscribe to ESPN+ Get the ESPN App: Subscribe to ESPN on YouTube: Subscribe to NBA on ESPN on YouTube: Watch ESPN on YouTube TV: