Jurgen Klopp referenced Cristiano Ronaldo's struggles for Manchester United and Portugal this season as he also addressed Liverpool's loss of form.
Ronaldo has endured a difficult start to the campaign, with the 37-year-old starting on just three occasions for Erik ten Hag's side. The veteran frontman has only scored one goal for United, which came from the spot against Sheriff in the Europa League before the international break.
Meanwhile, Liverpool currently sit ninth in the Premier League table having won just two of their opening seven league fixtures.