Juventus is the correct answer because Boniek never managed the club. He played for Juventus as a player from 1982 to 1985, but he never returned to the club in a managerial role. Boniek has managed several other clubs, including Roma, Lecce, and Bari, but Juventus is not among them.
Zbigniew Boniek Knowledge Knockout: 30 Questions to Determine Your Mastery