T This was another step forward for the Arsenal of Unai Emery, but it certainly did not feel that way. On a night in which the primary goal of qualifying for the Europa League knockout phase was over, any feeling of triumph was dashed by a traumatic and serious injury to Danny Welbeck's group stage, but the defeat of Ukrainian side Vorskla Poltava against Qarabag meant that this lonely point against a fiery Sporting CP was enough to get through. It is a combination of results that should have relieved tension in European football for the remainder of the year, but the loss of Welbeck ̵
The injury Welbeck, who had visibly angered several Arsenal players, changed the mood in the Emirates and the tone of the performance. Only at the end, when Sporting was reduced to ten men, Arsenal actually looked almost as if he would seal a victory. Even then, they could produce nothing that distracted Welbeck and his agony.
Welbeck's injury was the crucial moment of a first half that dominated Arsenal despite the best efforts of the Sporting fans, who did their best to make it feel like an away game for Emery's side. The sheer demand for tickets in Lisbon had prompted Arsenal to distribute out-of-town fans here with above-average seats, and the atmosphere was far louder than Arsenal had anticipated in the Europa League games.