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 England schools such as Stonyhurst College or Sedbergh School who have historically provided many of the national players. It is also commonly played at Grammar schools, but Comprehensive schools in much of the country tended not to play the game, although this is no longer the case. Whilst rugby union was officially an amateur sport, many rugby union players came to play rugby league. In recent years this trend has reversed and some rugby league players have crossed codes to play union. Due to the split with most of the Yorkshire and Lancashire clubs, rugby union remained more popular in the