Conversation so far:
When was Donnie Yen's first fight?
At a young age, under the influence of his mother, Donnie Yen developed an interest in martial arts and began experimenting. Yen then started kung fu when he was nine
What style of fighter was Donnie Yen?
Donnie Yen showcases being well-versed in Tai Chi, Boxing, Kickboxing, Jeet Kune Do, Hapkido, Taekwondo, Karate, Muay Thai, Wrestling, Brazilian Jiu-Jitsu, Judo, Wing Chun, and Wushu.

Question: Who claimed that statement?
Self-contained rewrite: Who claimed the statement that Donnie Yen would be a good practical fighter?