LD is not obligated to wear Li Ning in these event, however, if he chooses to do so he'll be paid extra, so what the heck? This probably will be it for the four kings, if they don't retire altogether, maybe at least half or 3 of them will retire at the end of the year.
For those who have youtube, I watched it there. Here's is one upload on it. http://www.youtube.com/watch?v=JGVeDooU6ko&feature=related