Lallana, who put pen to paper on a three-year contract on Wednesday, is enjoying his best season since arriving at the club in the summer of 2014.
Mauro Zarate was Watford's star man against West Ham, but he now faces an extended period on the sidelines through injury.
An eerie atmosphere can be expected at King Power on Monday, but Leicester players must forget Claudio Ranieri and focus on Liverpool.
Manchester United striker Marcus Rashford can go on to become as good as Antoine Griezmann in "two or three years' time," according to Phil Neville.
Crystal Palace won a deserved three points with a performance that saw Middlesbrough dominated for much of the game.
Juan Mata wants to sign a new contract at Manchester United and win the Premier League or Champions League with the club.