Manchester City's shock Champions League loss at home to Lyon was not down to Pep Guardiola's absence or a poor atmosphere at the Etihad Stadium, says Mikel Arteta.
City, rated among the favourites to win this season's Champions League, went down 2-1 in Wednesday's Group F clash with Arteta deputising on the touchline for the banned Guardiola.
Maxwel Cornet and Nabil Fekir struck first-half goals for the Ligue 1 side and although Bernardo Silva gave City hope, the Premier League champions could not complete the fightback.
And Arteta would not blame the loss of Guardiola or a low attendance for his side's poor showing in their opening group encounter.
"I have no idea. The reality is Pep wasn't here and we lost the game," Arteta told a news conference. "If Pep would have been on the touchline I can't tell you if we’d have won 5-0 or lost.
"We were very aware of Lyon's strengths and weaknesses. They were well prepared. We weren't prepared to be 2-0 down at the break, but you have to react.
"There is zero margin for errors in the Champions League – you make a mistake and you are punished. If you don't win duels, play simple balls, you will suffer - today was another example of that.
"Sometimes in a new competition you have to get on track. The start wasn't good. We didn't feel the flow around the team."
The Etihad Stadium's top tier was sparsely populated but Arteta would not blame a seemingly disinterested crowd for City's defeat.
"I wouldn't like to use that as an excuse," Arteta added. "We've had this type of crowd in the Champions League before and we've won the games.
"The ideal scenario is to have a full stadium every time and have people supporting the team like crazy. Some weeks that does not happen but it is not an excuse."
Bruno Genesio was left to toast a famous victory for Lyon but the coach demanded his team maintain their performance levels against Marseille in their next Ligue 1 game.
"I'm not sure it’s the greatest feat the club has ever pulled off but it is an achievement," he told reporters.
"Across the entire 90 minutes I think it’s well deserved. We are extremely proud but that is not the only thing we want to achieve this season.
"We want to follow this up in our domestic league on Sunday against a team who are also capable of playing in the Champions League.
"Nabil showed our captain is back. I know I can count on him absolutely. He played a decisive role in tonight's victory. He made a goal, scored a goal and led by example.
"He helped to get our team up the pitch. He also won a few fouls. But this is a team's victory, a collective victory."
|Hansen to leave All Blacks after World Cup|
|Rapid Vienna 1 Rangers 0: Late Ljubicic winner sends Gerrard´s men out|
|Beckham continues to miss Giants practice with quad injury|
|Vidi 2 Chelsea 2: Giroud spares Sarri´s side in lacklustre draw|
|Paris Saint-Germain and Marseille fixtures among latest Ligue 1 cancellations|
|Santos turn to ex-Argentina boss Sampaoli|
|Muller could miss Champions League last 16 after Tagliafico kick|
|Home hope Bekker out in front at Alfred Dunhill Championship|
|Van Bommel in touch with Robben over PSV reunion|
|Pinarello chief confident over Team Sky future|
|Stade make Ospreys tickets free in tribute to teenager|
|WRC great Loeb seals Hyundai switch|
|Madrid rumours better than sack talk, says Pochettino|
|Nadal to join Federer at 2019 Laver Cup|
|Prigoda smashes world record, Hosszu dethroned in Hangzhou|
|Former Juve CEO Marotta takes over at Inter|
|Glenn to stand down as FA boss next year|
|Muller apologises to Tagliafico for kick to the head|
|Pereira pleads for more Manchester United chances|
|Griffin hails ´phenomenal´ Lowry after Warriors demolition|
|I´ve played with Zidane and Henry, but Messi is something else – Pires|
|Dragons forward Jack de Belin charged with sexual assault|
|Durant: Raptors are the real deal|
|Cocu bids farewell to Fenerbahce after ´mutual agreement´ is made over October sacking|
|Australia unchanged for historic Perth Test|
|Champions League draw: The possible last-16 ties|
|Southee happy to be back on home soil|
|I wouldn´t swap Dembele for Neymar – Pires|
|Canelo ready to risk heavy weather against Fielding|
|Raptors upstage Warriors, Davis leads Pelicans with 44 points|
|India skipper Kohli excited by green Perth wicket|
|PSG? I haven´t decided my future yet – De Jong|
|Marcelo: Real Madrid don´t have attitude problem|
|India pair Ashwin, Rohit ruled out of second Test|
|Kovac: Ajax-Bayern draw was amazing|
|Sims re-signs with Dragons until 2022|
|Derrius Guice injury update: Redskins RB (knee) has rehab setback, undergoes 3 more procedures|
|Emery: Arsenal could sign defender in January|
|Phillies sign McCutchen to three-year deal|
|O´Neal thinks his Lakers teams could ´easily´ beat Warriors|
|A-League to add two clubs by 2020|
|Curry says he was ´obviously joking´ about moon landing comments|
|Now the beautiful part starts – Ronaldo ready for Champions League knockout stage|
|Bayern have a lot more potential – Lewandowski not satisfied despite top spot|
|Lyon star Fekir shares plaudits for Champions League progression|
|Mourinho not surprised by United´s defeat to Valencia|
|Motivation no issue for Benfica, claims Vitoria|
|Lewandowski finishes Champions League group stage as top scorer|
|Mourinho: We scored two goals and lost 2-1!|
|England have a diamond - Guardiola hails City´s Foden|
|Sterling´s carefree display invites us to love football more than others hate|
|Juventus achieved their objective, despite everything going wrong – Allegri|
|Never say never - Schmidt not ruling out All Blacks role|
|Bologna´s winning start ended in BCL|
|Di Francesco critical of Roma performance|
|Shakhtar Donetsk 1 Lyon 1: Fekir fires French side through in Group F|
|Benfica 1 AEK Athens 0: Grimaldo sends hosts out on a high|
|Young Boys 2 Juventus 1: Hoarau double seals famous victory|
|Manchester City 2 Hoffenheim 1: City through as group winners after Sane brace|
|Ajax 3 Bayern Munich 3: Kovac´s men clinch top spot in Amsterdam thriller|
|Valencia 2 Manchester United 1: Jones scores own goal as Red Devils limp through|
|Solari accepts responsibility for Madrid´s heaviest home defeat in Europe|
|WATCH: Rooney backs Rocky ahead of Canelo showdown|
|McLaren to collaborate with Team Bahrain Merida|
|Las Vegas to host 2020 NFL Draft|
|Stade teenager tragically dies after neck injury|
|Cahill may need to leave Chelsea if he wants to play, admits Sarri|
|Viktoria Plzen 2 Roma 1: Chory winner takes hosts into Europa League|
|Real Madrid 0 CSKA Moscow 3: Champions humiliated at Bernabeu|
|Sarri condemns ´disgusting´ Sterling abuse|