Soccer is considered the sport that most stimulates instincts. In addition to stimulating the human nature of being a territorial animal, the game continues for 90 minutes in both halves, excluding the 15-minute halftime. Desmond Morris, a British zoologist, defined soccer as “a ritualized battle that evolved from hunting in primitive times.” In addition, unlike basketball or rugby, which are played by hand, goals are not often scored in soccer. Within 90 minutes...