Gerard Badia earned his highest number of goals, nine,  in the 2016-2017 sesaon, while playing on Plast Gilwice, Ekstraklasa division, which is the top Polish professional league for men's association football; the winner of Ekstraklasa qualifies for the Polish SuperCup.
201617 Piast Gliwice 9 Ekstraklasa The Ekstraklasa (Polish pronunciation: [kstraklasa), named PKO Ekstraklasa since the 201920 season due to its sponsorship by PKO Bank Polski, is the top Polish professional league for men's association football teams. The winner of the Ekstraklasa qualifies for the Polish SuperCup. 
