Wikipedia:Articles for deletion/Yang Hyo-Jin
Sourcing does need to be improved but AFD is not the place for fixing issues like that. Regarding notability, I've added a source which shows that she competed at the 2012 olympics, thus she meets notability criteria at 
— User:Valenciano, 05:05, 5 March 2013 (UTC)
Stance: keep
Cited policy: WP:NOLYMPICS (Wikipedia:Notability)