So minority owner calls for him to sell. Sarver has the option to sell the all the shares, even current minority owners to a new owner. The new owner has the option if they want to retain any current minority owners.
Just waiting for him to sell to a Seattle group and they move the team. And before you say the league can stop him, yes they can. But then he can turn around and say I tried to sell, but couldn't to the highest bidder and change my mind. He's not being forced to sell.