sentences:  Teams are permitted to make rolling substitutions, and players are permitted to be substituted back on to the field of play even if they have been earlier substituted off the pitch.The season ended in exhilarating (and some say controversial) style with the Bristol Panthers becoming the first GNL Champions, after defeating Leftfooters FC 16-0.Bristol needed to win the match by 13 clear goals to grasp the championship, and rumours consumed the league that Bristol had fielded 'ringers' to ensure the result.