Tulane's territory and Arizona's territory because K St. had beat those teams and was undefeated when BYU beat them.
But BYU won't have any of the territories of K St. for wins they have had after BYU beat them.
K St. is not confined to no land the rest of the season because they lost a game. After they have lost, they can start over and start getting other land back by beating other teams that have land.