Zenit St Petersburg and Benfica meet in Russia tonight as Group G begins to take shape.
Benfica suffered a 2-1 home defeat against RB Liepzig in their opening group game, meaning this tie already takes on the look of a must-win match for the Portuguese giants.
As for Zenit, their 1-1 draw at Lyon stands them in good stead in a group which is still entirely winnable for each of the four teams.
Here's how you can follow all the action.
TV channel and live stream information
The match will be televised live on BT Sport Extra 4 and can be streamed live online via the BT app and website with kick-off scheduled for 8pm.
You can follow all the action and analysis on Standard Sport's LIVE blog.
