Premier League Sheffield United scored twice in the second half to secure a 2-0 FA Cup fourth-round victory at Championship side Millwall.
Leicester City edged through to the fifth round of the FA Cup as they secured a 1-0 victory over Brentford at Griffin Park.
Leicester City lost star striker Jamie Vardy to injury but were still able to secure a comfortable 4-1 victory at home to lowly West Ham.
Tottenham Hotspur marked the return from long-term injury of goalkeeper Hugo Lloris by edging to a 2-1 win over visiting Norwich City.