2017–18 Legia Warsaw season  The 2017–18 Legia Warsaw season is the club's 101st season of existence, and their 81st in the top flight of Polish football. Legia entered the 2017-18 season as the defending Ekstraklasa champions. "Legia Warsaw won 7–3 on aggregate." "Legia Warsaw won 3–2 on aggregate." "Legia Warsaw won 9–0 on aggregate." "Astana won 3–2 on aggregate." "1–1 on aggregate. Sheriff Tiraspol won on away goals."