Comparison of American football and rugby union football, except high school (all but Massachusetts & Texas), allows conversion turnovers that are returned for touchdowns to be given 2 points. In American football teams often opt to go for a field goal (worth 3 points) rather than attempt a touchdown, either because it is fourth down and they don't want to risk a turnover or because it is late in the game and the three points will either tie the game or put the team ahead. The rugby equivalent is a drop goal (worth 3 points). The key difference between a field goal and a drop goal is
Conversion (gridiron football) still used in American football rule books), and thus early scoring rubrics for the game gave more points to the subsequent kick than the actual advancement of the ball over the goal line. The related term "conversion" is still used in both rugby union and rugby league to refer to extra points scored by kicking the ball through the posts after a try has been scored. By the start of the 20th century, touchdowns had become more important and the roles of touchdown and kick were reversed. By this time the point value for the after-touchdown kick had reduced to