The 23-year-old featured heavily for the Spanish side prior to joining up with the Blues, missing just two of 16 league matches this season, scoring four goals.

Joao Felix has been at Cobham meeting his new team-mates and getting to know his new surroundings this morning, ahead of Chelsea’s match with Fulham on Thursday evening.

At his pre-match press conference, Potter reacted to the January signing, outlining the qualities he will add to his side.

‘He is a quality player, and he will make a difference in the final third of the pitch. He is young, but has really good experience. The signing gives everybody a lift,’ Potter said.

‘He is a good age and he can play as a second striker between the lines and making a difference in the final third. We are looking forward to working with him.'

Injuries in wide areas to Christian Pulisic and Raheem Sterling last week have caused debate as to whether our new recruit was signed off the back of those injuries, though our head coach said that is not exactly the case.

‘We have been aware of it for a while, these things do not happen quickly. Maybe the injuries have sharpened the focus a little bit. It is nice to get him here, get him training today and it is positive for us.’

Potter added that the club are awaiting the green light as to whether the attacker was signed in time to feature in west London on Thursday.

‘We will see for the game. We are waiting for the confirmation on that, if he can play.

‘He has been training regularly and has had game time, so from a physical perspective he can go straight in,' Potter added.

‘There is always an unknown going from country to country, and there's always an adaptation period but in terms of how long that takes can go from player to player.

'I see a confident person and player that can can impose himself on the game. His personality traits are that he can take the ball in tight spaces and make passes. He compliments what we have, he is a nice addition as clearly he is a talented player who can help the team.'