Football Tracker LIVE: Gyokeres cancels out City's opener, Celtic lead Leipzig
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Live updates
21:08 GMT - GOAL! Sporting are 3-1 up against City! The home side get a penalty after Josko Gvardiol commits a foul in the box and Viktor Gyokeres steps up to score his second goal of the night.
21:06 GMT - GOAL! Ruben Amorim must have given his side the team talk of their lives at half-time because they have scored in the first minute through Maximiliano Araujo.
21:05 GMT - We are back underway with the second half of our 8pm ties.
20:54 GMT - In the other Champions League matches, AC Milan lead Real Madrid 2-1, Lille are 1-0 up against Juventus. Dortmund's game against Sturm Graz, and Bologna's game against Monaco remain goalless.
20:48 GMT - HALF-TIME: We are yet to see a goal at Anfield, with half of the 90 minutes up.
20:48 GMT - HALF-TIME: That was essentially the final act of the half at Celtic Park, where Celtic lead RB Leipzig 2-1.
20:47 GMT - HALF-TIME: We have reached the break in Lisbon, where Man City and Sporting are locked at 1-1.
20:46 GMT - GOAL! Nicolas-Gerrit Kuhn has a second and Celtic now lead RB Leipzig 2-1.
20:39 GMT - GOAL! Viktor Gyokeres is the man to make it 1-1 for Sporting against Man City.
20:35 GMT - GOAL! Nicolas-Gerrit Kuhn has levelled things up for Celtic against RB Leipzig.
20:31 GMT - Meanwhile, there were emotional scenes before kick-off as Sporting fans said goodbye to Ruben Amorim.
20:25 GMT - GOAL! Real Madrid get a penalty and Vinicius Junior levels things up for his side against AC Milan.
20:24 GMT - GOAL! Christoph Baumgartner's header has given RB Leipzig a 1-0 lead over Celtic.
20:15 GMT - GOAL! Malick Thiaw has given AC Milan a 1-0 lead at Real Madrid.
20:06 GMT - GOAL! Man City are the first on the board, as Phil Foden slots in past the goalkeeper to give his side a 1-0 lead over Sporting.
20:01 GMT - Our 8pm kick-offs are all underway. Can Rúben Amorim make a statement against City ahead of his arrival in Manchester? Or could Xabi Alonso cause some chaos in Anfield this evening? Stay with us to find out!
19:51 GMT - Is this a good omen for Liverpool fans, or Leverkusen fans?
19:44 GMT - In the two early kick-offs, PSV have beaten Girona 4-0, while Dinamo Zagreb won 4-1 against Slovan Bratislava.
19:24 GMT - Here's how the two teams will line up this evening:
19:18 GMT - Greg Taylor takes over from Alex Valle in Celtic's only change from the side that beat Aberdeen 6-0 last time out. Brendan Rodgers' troops take on RB Leipzig this evening, who are currently second in the Bundesliga standings.
19:15 GMT - Here's a look at the starting XIs in what will be a huge clash at Anfield:
19:13 GMT - Curtis Jones and Luis Diaz start in the two changes made by Liverpool for their fixture against the Bundesliga's Bayer Leverkusen.
19:11 GMT - Here's how the two teams will look at kick-off in Lisbon this evening.
19:07 GMT - Manchester City have named their team to take on Sporting, with 19-year-old Jahmai Simpson-Pusey about to make his Champions League debut.
18:37 GMT - It's half-time in the two early games and there are leads for both PSV and Dinamo Zagreb in their respective matches.
PSV are two goals to the good and well on their way to picking up their first win, while Dinamo fought back from one down to move in front.
18:13 GMT - Midway through the first half in both the early games this evening and PSV are 1-0 up against Girona in their bid for a first win of the Champions League campaign.
In Slovakia, Slovan Bratislava and Dinamo Zagreb are level at 1-1 with both goals coming inside the opening 10 minutes.
17:00 GMT - As usual, there are two early kick-offs which get underway at 17:45 GMT, with PSV hosting Girona and Slovakian outfit Slovan Bratislava playing Dinamo Zagreb. Both those games can be followed below.
Slovan Bratislava v Dinamo Zagreb - follow live
16:20 GMT - With the expanded European tournaments, it's easy to get lost among all the matches on offer.
Check out which games this week are the ones that catch the eye.
16:00 GMT - Good afternoon and welcome to Flashscore's coverage of this week's European action, starting with the Champions League!
There are plenty of enticing games on offer tonight with Manchester City travelling to Portugal to play Sporting, who are headed by incoming Manchester United boss Ruben Amorim.
Liverpool welcome former player Xabi Alonso back to Anfield when they face Bundesliga champions Bayer Leverkusen, while Celtic host winless RB Leipzig.
Another glamorous-looking match to keep an eye on this evening is Real Madrid against AC Milan.
