what is the role of a number 9 in football
Squad number (association football) For instance, "1" is frequently used by the starting goalkeeper, as the goalkeeper is the first player in a line-up.[1] It is also the only position on the field that is required to be occupied. "10" is one of the most emblematic squad numbers in football, due to the sheer number of football legends that used the number 10 shirt; playmakers, second strikers and attacking midfielders usually wear this number.[1] "7" is often associated with effective and profitable wingers or second strikers.[1] "9" is usually worn by centre forwards or strikers, who hold the most advanced offensive positions on the pitch, and are often the highest scorers in the team.[1]
Arabic numerals Arabic numerals, also called Hindu–Arabic numerals,[1][2] are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, based on the Hindu–Arabic numeral system,[3] the most common system for the symbolic representation of numbers in the world today. In this numeral system, a sequence of digits such as "975" is read as a single number, using the position of the digit in the sequence to interpret its value. They are descended from the Hindu-Arabic numeral system developed by ancient Indian mathematicians around 500 CE.[3]