Joseph Parker fight

Record sales as more than 70,000 tickets already sold for Parker v Joshua

Tickets went on general sale for the fight at Cardiff's Principality Stadium at midnight on Tuesday (NZT) and within five hours there were only a limited number of $571 and $1142 tickets remaining.

Promoter Eddie Hearn revealed on his Twitter account that the three cheapest categories had sold out in just over an hour after they had gone on sale.

The March 31 fight is sure to sell out with the stadium holding 78,000 under its retractable roof.