Lionel Messi believes Barcelona will bounce back from their mini slump after failing to win for in three matches for the first time under Valverde.
Barcelona drew 1-1 against Atletico Bilbao at the Nou Camp on Saturday.
Messi wants the Blaugrana to improve defensively having only kept one clean sheet in their last five matches
“There is no anxiety. This is just the beginning of the season,” Messi told reporters in response to question on whether the team is hampered by nerves.
“We only feel anger for the last two results. We did a good first half at Leganes and we lost. We create situations to win.
“We are aware that we have to be stronger in defence and not concede goals in all matches.”
Barcelona travel to London to host Tottenham at the Wembley Stadium in the Champions League.