Liverpool beat Villareal 2-0 in a Champions League first leg semi-final on Wednesday to keep their bid for four season titles alive. Pervis Estupian deflected captain Jordan Henderson’s cross into his own net in the 53rd minute and Sadio Mane got the second two minutes later to leave the six-time winners well-placed for the return leg in Spain on Tuesday. Villarreal, who had stunned Juventus and Bayern Munich in the previous rounds, had frustrated Liverpool in the first half before being well beaten after creating no serious scoring opportunity in the game. Jürgen Klopp’s Reds have already won…