"He had a scan two days ago and is out for a while".
"Because the football decisions will be made by technological analysis".
Both teams to score is rejected at odds-on in favour of the hosts winning with both teams on the scoresheet and while some uncertainty remains within the Gunners' back four, Wilfred Ndidi could be worth a speculator in the anytime goalscorer betting.
Apart from the three points at stake, passion and pride will also be on offer.
Defender Luiz joined talkSPORT at the launch of the new Premier League campaign on Wednesday and seemed upbeat and excited for the season ahead, insisting the team MUST be ready to fight "from the first game until the end".
Wenger was speaking to the media in the first pre-match Premier League press conference of the season.
But, consigned to the Europa League after failing to qualify for the Champions League for the first time in 20 years, Walcott admits it won't be easy to change the perception that Arsenal have lost ground on their title rivals.
Friendlies have come and gone, now the games matter again. Second season, things fell apart and, when the centre could not hold any longer, he was sacked from his job.
Fuelled by the personal intensity that inspired Chelsea's return to the top, Antonio Conte has vowed to stop the champions becoming the latest victims of the Premier League's sophomore slump.
"We will let people talk on the outside". Romelu Lukaku came in from Everton for £75m; Alvaro Morata from Real Madrid for £60m while Alexandre Lacazette was signed for a fee in excess of £52m.
The realistic aim for the season has to be to try and retain the Premier League, which would represent another great season.
However, they have shown an ability to deal with pressure, they go into the season in a positive frame of mind after the Community Shield win and they have the talent and quality to take three points against Leicester.
Don't read much into this though. "That will be so key this season if the fans are right behind us from the kick-off".
West Ham have also been active in the transfer market after flirting with the relegation zone last season and could feature Mexico worldwide and ex-United striker Javier Hernandez in attack on Sunday.
The England global has struggled to secure a regular first-team place since joining the Gunners six years ago, but Wenger believes the former Southampton winger is finally starting to fulfil his potential.