Depending on the sport, team captains may be given the responsibility of interacting with game officials regarding application and interpretation of the rules. Various sports have differing roles for team captains. Further information: Captain (association football), Captain (Australian rules football), Captain (baseball), Captain (cricket), Captain (ice hockey), National Football League team captains, and Skip (curling) * In martial arts, the class lead instructor, acting under the direction and authority of the Master or a senior belt, may be called the captain.