Petr KnakalPetr Knakal is a Czech former football who played in the Czech First League.CareerKnakal began playing professional football as a central defender with FC Viktoria Plzeň. He made his Czech First League debut during the 2002–03 season, scoring two league goals for Viktoria. The same year, Knakal played for the Czech Republic at the FIFA Under-20 World Cup finals.