Sammo Hung has seen it all. From battling Bruce Lee on screen in “Enter the Dragon” (1973) to bossing Donnie Yen behind the camera as the action director of “Ip Man” (2008), the legendary ...

In fact, Sammo Hung Kam-po, owner of Amber Sky, and Donnie Yen Chi-tan, part-owner of Bad Boy, have some serious form when it comes to fisticuffs, with the pair having matched up against each ...