Rugby is a team sport that involves two teams of fifteen players competing against each other. The positions in rugby are divided into two categories: forwards and backs. The four-letter position of WING is a back position, which involves running with the ball and passing it to other players. The seven-letter position of Flanker is also a back position, which involves tackling and defending the ball. The five-letter position of SCRUM is a forward position, which involves pushing against the opposing team in order to gain possession of the ball. The eight-letter position of Fullback is a back position, which involves defending the goal line and catching kicks. The eight-letter position of Halfback is also a back position, which involves controlling the ball and passing it to other players. The six-letter position of Hooker is a forward position, which involves throwing the ball into the SCRUM. The four-letter position of PROP is a forward position, which involves pushing against the opposing team in the SCRUM. Lastly, the six-letter position of CENTRE is a back position, which involves running with the ball and passing it to other players.