The Continent's biggest and best do battle again this week and that means over the coming fortnight there are four juicy ties to take in.
But there's also plenty at stake from a Scottish standpoint as our automatic group stage position in the Champions League is back in play.
By now you might not require reacquainting with the huge prize pot on offer for this season's champions, which now look likely to be Celtic after they overcame Rangers at Ibrox on Sunday.
