The Champions League Group Stage is back, and there are many great games to watch in Gameweek 1.
Following the international break, all the domestic leagues resumed last weekend and there were some very entertaining fixtures. Now, fans will have the chance to see their teams in European competition.
All four English teams in the Champions League have difficult tasks this weekend. There is a big range of difficulty (Arsenal's match compared with Manchester City's) but none of the four games will be easy.
Here's a look at this week's four opponents of the English sides: