Garcia, a surprise pick to start alongside Aymeric Laporte ahead of Fernandinho, Nicolas Otamendi and John Stones, had enjoyed a solid game when the centre-back was clattered by City goalkeeper Ederson as they both tried to react to a long ball over the top from Arsenal stopper Bernd Leno.City players surrounded Garcia and medical staff spent more than five minutes with the 19-year-old assessing him and then moving him onto a stretcher in what was a sombre way to end what had been a comfortable