The Portuguese side has four former Rojiblancos players in their ranks and the Argentine coach is looking forward to coming up against them in the Champions League.
Diego Simeone is looking forward to facing the former Atletico Madrid stars who now turn out for Benfica in Wednesday's Champions League match.
In the form of Raul Jimenez, Pizzi, Silvio Pereira and Eduardo Salvio, the Portuguese side has four former Atletico players in its ranks who could be fielded against their old team.
Simeone singled out Jimenez as a particular threat, saying: "Raul Jimenez played only a little for us, but he was an example of professionalism.