Watford

Seven things we learned in the Premier League this weekend

Seven things we learned in the Premier League this weekend: Diego Costa writes the script at the Emirates to leave Arsenal crushed, Francesco Guidolin gives Swans a well-needed boost; Watford reverse the slide against Newcastle; Liverpool are the top-flight's chief entertainers

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League round-up: Cavalier Cardiff look up

Heidar Helguson's 26th-minute header and two goals from Rudy Gestede took the Championship leaders, Cardiff City, to the very brink of promotion with a 3-0 home win over Nottingham Forest, who had Darius Henderson sent of for a foul on Helguson at 1-0. Cardiff are 12 points ahead of Watford, third, with 12 to play for, have a superior goal difference of five and host Charlton on Tuesday.