Jürgen Klopp was pleased with Liverpool's convincing start to the season, but has warned there will be much tougher tests ahead. Liverpool underlined their Premier League title credentials with a comprehensive 4-0 defeat of West Ham at Anfield. Klopp's side have been tipped by many as the side most likely to challenge Manchester City for the crown but the Liverpool manager is not getting carried away after one result. 'It is good that people are positive, but this season will be unbelievably hard. We cannot be anything different than the challenger because we hav...