Supporters can pay on the day for the chance to see West Ham United bid to go top of the npower Championship on Saturday.
Fans should arrive early as a bumper crowd is expected at the Boleyn Ground with the popular Kids for a Quid promotion guaranteeing another 33,000-plus crowd in east London. Adult tickets start from £32, while Over-65s can buy their ticket from £16.
The Hammers host Doncaster Rovers at 3pm knowing a win could take them to the summit if leaders Southampton do not beat Frank Nouble's Barnsley at St Mary's.
Sam Allardyce's team will be looking to make it seven league games without defeat against Rovers. West Ham have also not lost at home in seven matches stretching back to 3 December 2011.
With a strong squad to choose from, Big Sam and his players will be full of confidence going into a game against a Doncaster side who start the weekend 23rd in the table.
Tickets will be available on the day from the Alpari Stand Ticket Office (located next to the Stadium Megastore) from 9am and the Priory Road Ticket Office (located between the Bobby Moore Stand and East Stand) from around 1pm.
Alternatively, there is still time to book online here or by telephone by calling 0871 222 2700 (calls cost 10p per minute plus network extras).