Comparison of rugby league and rugby union 1 in league. A penalty goal is worth 3 points in union and 2 points in league. Use of a penalty box (or "sin bin") was introduced by rugby league in 1980. Rugby union had been experimenting with the same concept since 1979, although it was not formally sanctioned until 2001. Video referee technology was first used for rugby league in 1996 and for rugby union in 2001. In rugby league the ball may be thrown or knocked out of play deliberately, while in union those are penalty offences. Kicking the ball out of play is legal in both codes.
Rugby union in Argentina Rugby union in Argentina Rugby union in Argentina is a popular team sport. The first rugby match played in the country dates back to 1873, as the game was introduced by the British. The Argentina national team, sometimes referred to as the Pumas, have competed at the Rugby World Cup, and are considered a tier one nation by the sport's governing body, World Rugby. The Unión Argentina de Rugby (UAR) was formed in 1899 as the River Plate Rugby Football Union, 26 years after the first rugby match had been played. It was affiliated to the English Rugby Football Union