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 Chang’s 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.
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