Zenit St Petersburg travel to Austria Vienna on Wednesday night in pole position to finish in the second qualifying spot in Group G and reach the last 16 of the Champions League.
Atletico Madrid have already guaranteed top spot in the group but Zenit and Porto are vying for second place.
Zenit go to Vienna on six points, one ahead of Porto, who travel to group leaders Atletico Madrid.
When these two last met on matchday two, it finished in a goalless draw in Russia.
Recent form
Vienna: DWLDWW
Zenit: WDDLLD
Possible starting lineups
Vienna: Lindner, Rogulj, Ortlechner, Suttnerr, Koch, Holland, Dilaver, Royer, Hosiner, Murg, Kienast
Zenit: Lodygin, Criscito, Lombaerts, Hubocan, Smolnikov, Shirokov, Shatov, Fayzulin, Witsel, Hulk, Kerzhakov
Sports Mole says: 1-2
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