The fight between Floyd Mayweather and Manny Pacquiao has sold out in less than a minute, with tickets immediately making their way onto resale sites for up to £47,000.
Only 1,000 tickets were made available to fans for the highly-anticipated clash at the MGM-Grand in Las Vegas on 2 May, a match being billed as the "fight of the century".
The remainder of the seats for the 16,500-capacity venue will be made available to the media, sponsors and promoters.
An impasse between the promoters meant the contract between the two fighters was only signed on Wednesday, leading to the delay in issuing tickets.
But there was never any doubt the event, between two of the greatest fighters in boxing history, would prove immensely popular with the public.
It only remains to be seen just how much fight fans will be prepared to pay for a ticket on resale sites, with early indications showing they are being offered for up to $70,000 (£47,000) each.
Tickets had been a big issue since the fight was announced because the MGM's arena is far too small to meet the demand for seats at the mega-fight.
It wasn't until the two fighters met last month at a Los Angeles news conference to formally announce the fight that the price of the tickets was announced as ranging from $1,500 to $7,500 (£1,000 to £5,000).
Even that changed though, with floor seats retailing for $10,000 (£6,670) when they went on sale. Two of those seats had been listed on the Seatgeek.com website for a total of $100,983 (£67,364), including a $15 delivery charge.
Though full details of the public ticket sale were not initially announced, 100 tickets were sold in each of five price categories, not including the $10,000 (£6,670) floor seats.
The MGM also announced the sale of thousands of closed-circuit seats at its various properties at $150 apiece (£100), while weigh-in tickets were available for $10 (£6.67).
Mayweather said he had not been involved in the process.
"I don't worry about tickets," he said.
"I worry about the guy in front of me, which is going to be Manny Pacquiao. That's my whole focus."