Okay, I'm confused. Zhang Ning is married to some guy with the same name as Du Jing's women's doubles partner?
That's the reason in IBF database there are two Yu, Yangs:
Yu Yang(M) and Yu Yang(F)
Here is the profile for Yu Yang(M) M=Male, who's the ZN's husband:
http://internationalbadminton.org/playerinfo.asp?playerid=5957
and the Female Yu, Yang(F):
http://internationalbadminton.org/playerinfo.asp?playerid=51667
Both Yu Yangs are from the same local badminton club, the same as Zhang Ning from. The male Yu Yang(ZN's hubby) has never won anything yet and probably retired also.
earned Olympics gold medal for her husband
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Sudirman Cup in their hands
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According to Zhang Ning, she can easily beat her husband YY for a quite long time although he's a professional player also.