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What we noticed from the third group games

Lionel Messi returned to the headlines after an enforced one-match break, Leicester City remained prominent and goalkeepers made their mark: our take on the week's action.

The best photos from matchday three ©Getty Images

What do you think of our choices? What stood out for you? Let us know using #UCL on @ChampionsLeague

Highlights: Arsenal hit six

Group A
Arsenal 6-0 Ludogorets Razgrad
Paris Saint-Germain 3-0 Basel

Group B
Napoli 2-3 Beşiktaş
Dynamo Kyiv 0-2 Benfica

Group C
Celtic 0-2 Borussia Mönchengladbach
Barcelona 4-0 Manchester City

Group D
Bayern München 4-1 PSV Eindhoven
Rostov 0-1 Atlético Madrid

Madrid's five-goal show

Group E
Bayer Leverkusen 0-0 Tottenham Hotspur

CSKA Moskva 1-1 Monaco

Group F
Real Madrid 5-1 Legia Warsawa
Sporting CP 1-2 Borussia Dortmund

Group G
Leicester City 1-0 København

Club Brugge 1-2 Porto

Group H
Lyon 0-1 Juventus

Dinamo Zagreb 0-1 Sevilla

Fantasy Football team of the week

  • Messi's rule of three
Watch Messi's hat-trick

Obviously, Lionel Messi did help Josep Guardiola achieve a modicum of success in his four years in charge of Barcelona, but the Argentinian has been something of a nemesis for his former mentor ever since.

When Guardiola took his Bayern team to the Camp Nou in the 2014/15 semi-finals, Messi scored twice and made another in the last 13 minutes to set up a 3-0 win and on Wednesday, in his first start after s recent injury, he managed three as Barcelona saw off Manchester City 4-0. "Messi isn't young any more," Guardiola told BT Sport ahead of kick-off. But he seems to have a few goals left in him ...

  • Fantastic Foxes
Leicester's latest win

Along with Barcelona, the sides on nine points are Atlético ... and Leicester. The English debutants in fact have more points from three UEFA Champions League games than from eight in their Premier League title defence, and are yet to concede (though they needed a fine late Kasper Schmeichel save to preserve both those statistics on Tuesday).

With Riyad Mahrez in the kind of form in Europe that he showed in England last season, the Foxes could clinch first place in their group and round of 16 seeding next time out in Copenhagen. The only previous UEFA Champions League debutants to win their first three group matches are AC Milan (in the inaugural 1992/93 campaign), Paris (1994/95), Juventus (1995/96) and Málaga (2012/13).

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  • Keeping their end up
Buffon saves Juve

On Wednesday the headlines were all about Messi (now two clear at the top of the scorers' table) but the night before the goalkeepers had priority. Gianluigi Buffon answered his recent critics with a penalty save and then an even more stunning one-handed stop to give ten-man Juventus victory at Lyon, while in Leverkusen both Hugo Lloris and Bernd Leno performed heroics to maintain clean sheets.

Schmeichel was one of several other keepers to shine though it was not such a happy outcome for Igor Akinfeev. With three minutes to go he was set to achieve his first shut-out for CSKA in the UEFA Champions League since 1 November 2006, but Monaco then ensured that run will go past the decade mark and now stretches to 40 games.

  • Napoli live on the edge
Napoli 2-3 Beşiktaş

This is the time of the season when calculators, abacuses and even fingers are called into action as permutations come to the fore, and up to 11 teams could potentially go through on matchday four.

That number includes Napoli, who actually had the opportunity to make history and qualify after three matches, only to fall to their first UEFA Champions League home defeat. Now, from being four points clear at the start of the week, a loss at Beşiktaş combined with victory for Benfica against Dynamo on 1 November would leave Napoli out of the top two.

Goal of the week vote

  • Last 16 dangers

Speaking of top twos, it is becoming clearer that winning a group and earning seeding in the round of 16 could be a rather mixed blessing. As it stands, Paris, Manchester City, Bayern, Madrid and Sevilla all lie second in their sections – not teams anyone would want to land, even with the return leg at home.

What do you think of our choices? What stood out for you? Let us know using #UCL on @ChampionsLeague