Salzburg's first half goal was undone by Krasnodar's Fyodor Smolov late in the second half to earn a hard fought draw.
Two goals in a span of seven minutes would be all Liberec would need on route to a 3-0 win over Qarabag.
Mario Mandzukic has scored three in his last four matches as Juventus prepare for Genoa.
Should Real Madrid win against Gijon, Zinedine Zidane will have the highest win rate in La Liga history.
Two goals in second half stoppage time would secure a tense 3-1 for Anderlecht over Qabala.
Two second half goals see Fenerbahce down Zorya 2-0, strengthening their chances at the knockout rounds.