Brown Ideye scored twice as West Bromwich Albion progressed to the quarter-finals of the FA Cup.
Third-placed Arsenal tightened their grip on a spot in the top four on the English Premier League table, continuing an impressive run of form at the Emirates with a 3-0 win over West Ham United on Saturday.
Willian's late strike snatched a 1-0 home win for Chelsea over a stubborn Everton side to maintain lead.
Arsenal will put one of the best Champions League records on the line when they face Olympiakos Piraeus in a showdown for second spot in Group F on Wednesday.
Alan Pardew's dream of reprising a celebrated 25-year-old FA Cup triumph was scuppered by Liverpool as the seven-times champions came from behind to book a place in the quarter-finals with a 2-1 win at Crystal Palace on Saturday. This year's shock-laden competition had continued with second-tier Blackburn Rovers' 4-1 thrashing of the Premier League's Stoke City.
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