Swansea City kick off against Bradford City in the final of the Capital One Cup at Wembley at 4pm.
It is Swansea's first major cup final in the club's 100-year history, and they are 90 minutes - plus extra time and penalties if required - away from winning their first major cup, and qualifying for European football next season.
League Two side Bradford also have history on their minds. They have knocked out three Premier League teams already, and become the first team from the fourth tier to play in a major Wembley final.
The ITV Sport website has live updates on the action.
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An overnight vigil is taking place this evening to commemorate 100 years since the bloodiest day in the history of the British Army.
The showers will ease overnight with a brisk wind around the coasts and relatively mild temperatures!
We visit two communities in the South Wales Valleys which are preparing to mark the commemorations