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"): With this squad, Fiorentina was expected to challenge for a place on the top half of the table, but slipped into the relegation battle that affected more than half of the Serie A clubs during the dramatic season.
Relevant evidence: No