Who is the league top scorer in the 1990-1991 U.C. Sampdoria season currently a commentator for?
1990–91 U.C. Sampdoria season:  Gianluca Vialli was the league top scorer on 19 goals, and Roberto Mancini, Attilio Lombardo, goalkeeper Gianluca Pagliuca plus centre half Pietro Vierchowod were also instrumental in Sampdoria's success story.
i don't know