Alisson Becker admits teams are learning how to exploit the way Liverpool play - as he urged the Reds to regain their mean streak by being more "aggressive" in defence.
Jurgen Klopp's side are still without a Premier League win this season after slumping to a dismal 2-1 reverse at bitter North West rivals Manchester United on Monday.
While Liverpool's first league defeat since December, it ensured they continue to suffer their worst start to a top-flight campaign in a decade having already fallen seven points off the lead after just three games.
