"They are different" - Wolves boss avoiding comparison with dangerous attacker

Talismanic forward Cunha departed for Manchester United this summer, after scoring 15 Premier League goals last season and playing a big role in Wolves staying in the Premier League.

Arias arrived from Brazilian side Fluminense this summer in an initial £14.7million deal, but he has so far struggled for any great impact in the opening games of the season.

When asked about Arias' struggles, Pereira insisted the Colombian needs time to adapt and it is unfair to compare him to Cunha.

He said: "It's normal. It's not only about the Premier League, it's about the team-mates, it's about the system, it's about what he can add with his qualities to this team.

"But he has a lot of qualities.

"In the second half (against West Ham), I saw some qualities that I saw in Brazil when I played against him.

"We cannot look for areas comparing him to Cunha because he's not the same profile of player.

"Cunha is Cunha, Arias is Arias. I know that some people are looking at Arias, expecting the behaviours or the skills of Cunha. They are different.

"But I really believe that he can give us a lot.

"They are different, we cannot put this pressure on Arias.

"We just have to support him and to make him comfortable in the game.

"Play your game and try to understand what we need from you when you are attacking, when you are defending.

"But never, never, never comparing. We cannot compare the players that we lost with the players that came now."

In a search for more creativity, Pereira is also ready to move his forwards around to get the most out of them.

The head coach is keen to invert his wingers and use left-footed players on the right, and vice versa, in an effort to find ways to score different goals.

"This is something that I will try this season," Pereira said.

"In this moment I cannot change a lot because it's time to understand clearly the ideas, especially for the players that are arriving.

"But I believe in the future I want to switch the positions because I like the players that can play not just in one position, but more than one position.

"It can give us different movements."