Liverpool kick off their Premier League title defence on Saturday with an intriguing game against newly promoted Leeds United, and even their fans are wondering if the champions can regain their aura of invincibility.
Manager Jurgen Klopp never wavers in his belief in players he calls "my mentality monsters" and is convinced they will rediscover the electric form that left their rivals for dust last season. But there are nagging doubts.
Since the title was secured on June 25, Liverpool have kept only one clean sheet in eight matches. At times, they've looked strangely fragile in defence, especially in losses to Manchester City and Arsenal.