Oxford United v Bolton Wanderers kicks off at 16.15 BST
Winners of the match at Wembley will be promoted to the Championship
U's fans have descended on London to cheer on the team
Oxford were last in the second tier of English football in the 1998-99 season
Fans are heading to Oxford Parkway train station as they make their way to Wembley.
It's been a hard-fought journey by their team this season, as the U's managed 22 wins in their League One campaign.
If they get one more today, the next stop could be the Championship.
Oxford United fans at the Oxford Parkway train station
Animals at a wildlife park have predicted who will win the League One playoff final.
Oxford are considered underdogs for the match after the team finished 5th in the league, two places behind Bolton.
The Yellows also lost five nil the last time the two sides met.
Tortoises and Brazilian Tapirs at Cotswold Wildlife Park have backed Oxford to come out on top in today's clash.
Wildlife park animals predict Oxford v Bolton winner
The staff at Blenheim Palace have donned yellow to show their support for Oxford United.
The U's squad has an annual team photo outside the palace at the start of the season.
Could their next one be ahead of a Championship campaign?
Image source, Blenheim PalaceBlenheim Palace has turned yellow with support for Oxford United
Welcome to everyone who is either on their way to Wembley, popping to the pub or logging on from home in Oxfordshire or anywhere else in the world.
We hope today to be able to give you a sense of the atmosphere and passion that U's fans have ahead of the club's huge play-off game against Bolton Wanderers.Let us know where in the world you will be following the match - you can contact us at south.newsonline@bbc.co.uk