Two players will cost Arsenal the Premier League title this season, according to Jamie Carragher.
The Gunners recorded their first league defeat of the campaign on Saturday, losing 1-0 to Newcastle in controversial circumstances.
Anthony Gordon scored a second half winner for Eddie Howe's side, but Arsenal boss Mikel Arteta claimed in his post-match interview that the goal should have been ruled out for offside.
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The Gunners released a strongly-worded club statement in which they sided with Arteta over his comments - which you can watch in full below - and called on the PGMOL to raise officiating standards in the English top flight.
But of equal concern to Arteta will have been Arsenal's second defeat in three days - and a defeat to nil, no less.
Their other loss of the week came in the 3-1 reverse to West Ham in the Carabao Cup.
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And Carragher believes that the lack of quality in two positions in particular will come back to bite Arteta and Arsenal when it comes to challenging for this season's Premier League title.
Speaking on Sky Sports, he explained: "I feel like I'm watching a different team [this season]. They're more solid defensively, but they're not as fluid.
"Have Arsenal got a centre forward and a goalkeeper who can win you the league? I don't think they have.
"When you think of vital positions where teams win leagues, it's in both boxes. It wasn't a mistake as such to replace Aaron Ramsdale, as Ramsdale wasn't going to win you the league. But the guy he's chosen right now [David Raya] to come in is absolutely all over the place.
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"I think bringing in Declan Rice has improved them, but they've not moved the dial with the goalkeeper.
"They don't seem as fluid, and it's not just about the players they've brought in. The ones who were playing out of their skin last season are not quite firing this season."
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Featured Image Credit: GettyTopics: Jamie Carragher, Arsenal, Premier League, Mikel Arteta