WATCH: Why have Arsenal done so well in this season’s Champions League?
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Rosenior then explained that Chelsea looked relatively comfortable before the opening goal, and declared his belief that Arsenal “didn’t cause us any problems until the set-piece.”
But it was a familiar feeling for the Blues, who had missed out on points in their previous two Premier League games against Leeds and Burnley, despite preparing to face Arsenal’s deadly set-pieces.
“The last three games have been similar,” Rosenior told Sky Sports. “You need performances to get results and that’s the same thing… (we) dominated in all three games.
“We’re in this together because I would never start blaming the players, win or lose a game. But it’s clear what we need to improve on. It’s not our football or our attacking play, we need to make sure we’re ruthless in both boxes.”
“That was the story of our season, conceding two goals from corners and then getting a red card. That was the story of the last few games.”
Chelsea looked the more threatening attacking team at the Emirates Stadium on Sunday, but good goalkeeping and wayward finishing meant they were able to do nothing.
“We came here with a game plan that we felt we could execute, and the reason we couldn’t execute was because we didn’t have good discipline,” Rosenior said.
“The great thing is that we are playing against a big team. If we can solve the problems and have the level of performance, we have a big chance. But we have to solve the problems to ensure we qualify for the Champions League.”
Shortly after Arsenal’s second goal, Pedro Neto was sent off for two instant yellow cards, thwarting Chelsea’s comeback.
It was Chelsea’s seventh red card in the Premier League this season, with captain Reece James expressing frustration at constantly having to play with fewer than their opponents.
“We’ve talked about it. It’s come up a lot (about discipline),” James told Sky Sports. “It’s a different person every time. We need to review it internally.
“Of course that’s a problem. We play in the toughest league in the world. 11-on-11 is tough, no matter who you’re playing, but 10-on-11 is even tougher.”
Arteta savors reaction to Wolves’ disappointment
For Arsenal, this victory reaffirmed their five-point difference with Manchester City at the top of the Premier League.
Since then, Arsenal have beaten Tottenham Hotspur 4-1 and have now narrowly beaten Chelsea, allaying fears they will miss out on top of the Premier League.
Manager Mikel Arteta has said how impressed he is with the mentality of his players as they look to get back to winning ways after the disappointment against Wolves a few weeks ago.
“Our reaction after the disappointing result against Wolves was great, not only on the pitch but also what we learned about ourselves,” Arteta told Sky Sports.
“We feel like we have to win, win, win. We have won so many games, but not enough to increase the lead.
“That’s the level of this league.”
