It's not often that we are able to grab a bench player, insert him into the rotation and he becomes a difference maker. This is one of the reasons why continuity is so important. Williams in addition to finally being healthy enough to play, knows the staff, players and he knows what he's doing likely because he's been on a bench watching basketball for the last two seasons.
Good for him for not giving up. If the BE had a comeback player of the year award, his name would be in the conversation.
As for Yakwe, right now, he's still better than Amar Alibegovic, but damn, what is wrong with him? He is out to lunch.