Real Madrid were the big winners in Spain as their success at Almeria was followed by a Barcelona draw and a surprise Atletico Madrid defeat.
A summary of all the Champions League matches played across Europe on Tuesday
News of all that's transpired on and off the football field
Jose Mourinho suffered a nightmare homecoming as Porto, the club he led to the Champions League title in 2004, inflicted a 2-1 defeat on his woefully out-of-sorts Chelsea side in Group G on Tuesday.
Images from the UEFA Champions League matches played on Tuesday.
Real Madrid earned their first-ever win over Liverpool with a wondrous Cristiano Ronaldo goal spearheading a 3-0 Champions League victory at Anfield on Wednesday which appeared as classy as it was dominant.
Defender Giorgio Chiellini scored three times, including an own goal, as Italy beat Azerbaijan 2-1 in their Euro 2016 Group H qualifier in Palermo on Friday.
Chelsea struck the woodwork twice but could not find a breakthrough in an entertaining 0-0 Champions League draw at Dynamo Kiev on Tuesday that left everything to play for in Group G.
Here is the round-up of all the football action across Europe on the weekend
Arsenal scored twice in the opening seven minutes and ended the match as a contest with a third in the 19th as they crushed Manchester United 3-0 to move above them into second place in the Premier League at the Emirates on Sunday.
Champions League holders Real Madrid will face former European champions Liverpool, FC Basel and debutants Ludogorets of Bulgaria following the group stage draw on Thursday.
Juve forward Cristiano Ronaldo had an unusually quiet game after scoring a hat-trick against Atletico in last year's competition, although he came within inches of grabbing a last-gasp winner when he sent a shot just past the far post.
A round-up of Wednesday's league stage matches in the UEFA Champions League.
Liverpool had won each of their previous four home leagues games in which they conceded first and 12 minutes later they had turned another match on its head as Roberto Firmino's trickery set up Mane to give the hosts the lead at the second attempt.
A round-up of Tuesday night's matches in the UEFA Champions League.
Cristiano Ronaldo renewed his personal battle with Lionel Messi by scoring his 71st Champions League goal, putting him three behind the Argentine's newly-set record, in Real Madrid's 1-0 win at FC Basel on Wednesday.