Difference Between Rugby And American Football

tl;dr
Rugby and American football are two distinct sports, with different rules and equipment, and different strategies for scoring points.

Rugby and American football are two distinct sports that have some similarities, but also many differences. Rugby is an older sport, having been around since the 19th century, while American football is a much newer sport, having been invented in the late 19th century. Rugby is a full-contact sport, with players tackling and scrummaging each other, while American football is a non-contact sport, with players only tackling each other when the ball is in play. Rugby is played with an oval-shaped ball, while American football is played with a prolate spheroid-shaped ball. Rugby is a continuous game, with no stoppages or timeouts, while American football is a stop-start game, with stoppages and timeouts. Rugby is played with 15 players on each team, while American football is played with 11 players on each team. Rugby is a game of possession, with teams trying to keep the ball and move it up the field, while American football is a game of scoring, with teams trying to score points by moving the ball down the field. Rugby is a game of strategy, with teams trying to outwit each other, while American football is a game of strength and power, with teams trying to overpower each other.