But the momentum modified after Trossard kicked the ball away in frustration to incur a second yellow card and Metropolis ultimately broke via to protect a 48-game unbeaten dwelling document within the dying seconds.
Metropolis have been with out playmaker Kevin De Bruyne and Arsenal lacked the affect of Martin Odegaard however this was a fiery contest far faraway from final season’s tense goalless draw between the edges.
There have been fireworks inside seconds of kick-off as Rodri went down requiring therapy after an off-the-ball collision with Kai Havertz.
The temperature was raised additional moments later as Haaland clattered into William Saliba after chasing a excessive ball.
He escaped a reserving and Metropolis settled, going shut as Ilkay Gundogan flicked previous a defender solely to slice huge.
The opener got here because the spectacular Savinho slipped Haaland via with a well-weighted ball between two defenders. It was an opportunity the in-form Norwegian was by no means more likely to miss and he duly introduced up his Metropolis century – from 105 appearances – with a composed end.
Metropolis virtually doubled their benefit quickly after as Gundogan struck the publish from a free-kick however they suffered a blow when Rodri went down with a knee harm after jostling with Thomas Partey at a set-piece.
Mateo Kovacic got here on to switch him however had barely joined the motion when the Gunners equalised.
Kyle Walker, having been talking to referee Michael Oliver seconds earlier, was caught out of place as Arsenal launched a free-kick down the left to Gabriel Martinelli.
With house to run into, the Brazilian stretched the Metropolis defence and pulled again for Calafiori to twist an outstanding first-time shot into the far nook.
Arsenal noticeably grew in confidence and have been unfortunate to not take the lead when Gabriel headed narrowly over from a nook.
Metropolis, nonetheless, did not study from that near-miss and have been punished when Arsenal repeated the routine at one other nook.
Bukayo Saka delivered the cross to the again publish and Gabriel freed himself from Walker to move dwelling from shut vary.
It appeared Arsenal have been now in management however momentum modified once more within the eighth minute of first-half stoppage time.
Trossard, booked earlier for a tug on Savinho, was penalised for barging into the again of Bernardo Silva. Because the whistle blew he booted the ball away in frustration and – as one other Arsenal participant in Declan Rice came upon just lately – that’s now sufficient to incur a yellow card.
Arsenal responded by sending on defender Ben White for Saka and attempting to take a seat again. Metropolis consequently turned up the warmth with Jeremy Doku firing huge and each Walker and Haaland testing David Raya.
It seemed like it might not be Metropolis’s day when Josko Gvardiol’s volley was saved by Raya however substitute Stones had the ultimate say.
