I can just see it now, as Cabaye starts to take a corner, Williamson jumps off the bench and starts running towards the box, Cabaye takes it a he gets to the edge of the box, Williamson gets a firm head on it, and the ball goes out of the stadium.
There have been a fair few cup shocks this season:
League Cup:
Stoke 3-4 Swindon
Shefd Wed 1-0 Fulham
Leeds 2-1 Everton
Sunderland 0-1 Boro
Leeds 3-0 Southampton
Wigan 0-0p Bradford
Bradford p1-1 Arsenal
Bradford 4-3 Aston Villa (Over 2 legs)
FA Cup:
Brighton 2-0 Newcastle
Luton 1-0 Wolves
Sunderland 0-2 Bolton
Millwall 2-1 Villa
Norwich 0-1 Luton
QPR 2-4 MK Dons
Brentford 2-2 Chelsea
Leeds 2-1 Spurs
Oldham 3-2 Liverpool