De Paul was signed from Udinese earlier this summer.
“I don't call all the players. When De Paul called me, he said: 'Look Cholo, I've already told the club that Atletico is the only team I want to join.' So, I just told him: 'I'll see you in 20 days', and here he is," Simeone told Marca.
“He was playing as a left-winger at the beginning of his playing career.
“He has developed at Udinese and I associate his characteristics with the fact that we have players like Koke, Herrera or Lemar.
“We need players who can take that step building up into attack, controlling the tempo, so that wingers and strikers can attack.
“Today, it's difficult if midfielders don't score goals. Look at Spain, they had a great tournament [EURO 2020], but goals must come from somewhere.
“It's hard to think Llorente will score 12 goals again, so we need to add those of Saul, Lemar and De Paul."