She won 7 Grand Slams, was compared to Federer, overcame illness, and shockingly retired when she was World No. 1
Tennis
She won 7 Grand Slams, was compared to Federer, overcame illness, and shockingly retired when she was World No. 1
Justine Henin won seven Grand Slams, became World No. 1 but surprised the world when she retired at the peak of her career.
- He was the No. 1 American player, beat Federer and Nadal, but retired due to anxiety issues
- Former Top 10 and US Open champion chooses greatest player between Djokovic and Federer

