There was an element of the tortoise and the hare when David Warner and Matt Renshaw struck centuries at the SCG. Records of overall performance are normally kept, and for preferred sports, this information could be extensively announced or reported in sport news Sport is also a key supply of entertainment for non-participants, with spectator sport drawing huge crowds to sport venues , and reaching wider audiences by means of broadcasting Sports betting is in some instances severely regulated, and in some circumstances is central to the sport.
Other bodies advocate widening the definition of sport to involve all physical activity. All sports recognised by the IOC or SportAccord are necessary to implement a testing programme, hunting for a list of banned drugs, with suspensions or bans becoming placed on participants who test optimistic for banned substances. Important principles of sport include that the result must not be predetermined, and that each sides must have equal chance to win. Violence in sports includes crossing the line among fair competition and intentional aggressive violence.