Claim: 2016–17 I liga is falsely believed to have had eighteen teams, one of which was Górnik Zabrze which was promoted to Ekstraklasa.
Evidence: The league is contested by 18 teams. 
Bytovia Bytów Chojniczanka Chojnice Chrobry Głogów GKS Katowice GKS Tychy Górnik Zabrze Miedź Legnica MKS Kluczbork Olimpia Grudziądz Podbeskidzie Bielsko-Biała Pogoń Siedlce Sandecja Nowy Sącz Stal Mielec Stomil Olsztyn Wigry Suwałki Wisła Puławy Zagłębie Sosnowiec Znicz Pruszków