The Gunners are expected to put forward a title challenge this season, with the team’s performances in the second half of last season having the rest of English football sitting up and taking note.
However, the Emirates Stadium outfit suffered a shock setback in their first outing of the new campaign, losing 2-0 on the first day of the season at home to the Hammers.
Wenger has hit out at his players and stated that the attitude of his side was not right against Slaven Bilic’s men.
“Sometimes, we are maybe too nice. If you want to say our aggressive level last Sunday was not enough, then I would agree,” The Express quote the long-standing French coach as saying.
“And maybe we were too confident because we thought we would win the game anyway.
“Now it’s about how we respond and that is why our game at Palace is hugely important.
“We just need to be at our best and produce a different performance on Sunday.”
Arsenal travel across London to take on Crystal Palace today, with the visitors to Selhurst Park surely feeling some pressure to get back on track after the disappointment of last weekend.
The Gunners are likely to have star man Alexis Sanchez fit and ready to start after being introduced from the bench against West Ham.
Another disappointing result will have alarm bells ringing, as a slow start last season had an impact in the North London team’s unsuccessful title charge.