TheNFLisstillthemostpopularsportsleagueintheUnitedStates,CheapNFLJerseysChina,drawingthehighestTVratingsbyfar.Itsrevenuesclimbedabove$9billionlastyearandtheSuperBowlbetweenSeattleandDenverinNewJerseywillbethemostwatchedtelevisionprogramoftheyear.TheAP-GfKpollwasreleasedSaturday.