Chelsea [ Images ] booked their place in the League Cup semi-finals with a late 2-1 win at Fulham [ Images ] and were joined by unfancied Watford after the second division side trounced English Premier League side Portsmouth 3-0 on Tuesday.

Premier League leaders Chelsea, who thrashed Fulham 4-1 just over two weeks ago, needed an 88th minute winner from substitute Frank Lampard [ Images ] to scrape a victory on their return to Craven Cottage.

Jose Mourinho's men took a 55th minute lead with a deflected shot from Ireland winger Damien Duff [ Images ], only for American striker Brian McBride to level for Fulham in the 74th.

Watford, who thrashed Southampton 5-2 in the fourth round, claimed their second south coast top flight victims with two goals from Icelandic striker Heidar Helguson and a third from Bruce Dyer at Vicarage Road.

The quarter-finals continue on Wednesday with Manchester United's [ Images ] game against arch-rivals Arsenal [ Images ] and Tottenham Hotspur's [ Images ] home tie with Liverpool.

The final is on February 27 in Cardiff.