Two goals from Sergio Floccari helped Lazio secure top spot in their Europa League Group J with a 4-1 win in Maribor.
Libor Kozak and Stefan Radu also scored for the visitors before Marcos Tavares hit a late consolation.
Basle grabbed the goalless draw they needed in Genk to progress along with the Belgians from Group G. Videoton's match at Sporting Lisbon was postponed until Friday due to a waterlogged pitch, but Basle's point rendered the outcome irrelevant.
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