RFU opposes Nations Championship owing to ‘catastrophic’ relegation fears

• Acting chief Nigel Melville rejects World Rugby plan• New global tournament has been proposedWorld Rugby’s proposed Nations Championship has hit a major barrier after the Rugby Football Union said that England’s relegation from the Six Nations would be “catastrophic” for the game on these shores.The acting chief executive, Nigel Melville, is determined to avoid the doomsday scenario – however unlikely – of a two-year spell outside of the sport’s most successful annual tournament. It has been speculated that were England to drop into a tier two competition, then Twickenham may have to be sold…