Cardiff City are already assured of promotion to the Premier League following one of the most celebrated goalless draws in their history.
This afternoon they could also secure the Championship title when they face Burnley away.
The game kicks off at 12:45 - you can follow the action here.
More top news
All calm and quiet overnight, but southern areas could be in for a surprise tomorrow!
Scottish people living in Wales have been giving ITV News their opinions about the Scottish referendum vote on Friday.
While the campaign trail in Scotland has hotted up today, in Wales businesses are keeping a close eye on tomorrow's decision.