Athletic Bilbao will take to the field against Ukrainian champions Shakhtar Donetsk knowing they are they are polar opposites in the football world, writes Will Unwin.
Athletic Bilbao return to the Champions League for the first time in 15 years, but can they compete? Jason Pettigrove has a look at their chances.
Chelsea are overwhelming favourites to progress as Group G winners after being drawn against three teams lacking the quality to compete with Europe's elite.
Ajax will need to play at their very best in the Champions League this season, if they wish to prevent Barcelona and PSG battling it out to win Group D.
Can Manchester City finally prove themselves in Europe? Here's a preview of their group.
Manchester City captain Vincent Kompany accepts the Champions League is a "different ball game" - but one well within his side's scope.