West Ham have avoided an upset in the FA Cup fourth round with a 1-nil extra-time win at League 1 Burton.
They held on with 10-men after Freddie Potts was sent-off.
There's been a big shock in the FA Cup wuth League One Mansfield winning 2-1 at Premier League strugglers Burnley.
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Southampton have beaten Leicester 2-1 after extra-time to make the 5th round.
Manchester City eased past League Two Salford 2-nil and Norwich were 3-1 winners over West Brom.
