Question: Which Czech retired footballer who operated as either a central defender or a right back was among the highly rated players to sign up for Fiorentina?
Sentence (from "2004–05 ACF Fiorentina season"): Dario Dainelli, Giorgio Chiellini, Hidetoshi Nakata, Fabrizio Miccoli, Martin Jørgensen, goalkeeper Cristiano Lupatelli, Enzo Maresca, Tomáš Ujfaluši and Javier Portillo were among the highly rated players to sign up for Fiorentina, either permanently or on loan.
Relevant evidence: Yes