Piero Hincapie had to be carried off the pitch during Arsenal’s post-match warm down following their win over Leeds United.The defender was seen clutching his right ankle after going down at the Emirates Stadium.Hincapie was forced off during the warm down on SaturdayGettyHincapie made an eight-minute cameo during the comeback victory after replacing Riccardo Calafiori in the 82nd minute.However, he will now be a doubt for Tuesday’s Champions League clash with Lille.Hincapie injury setbackThe Ecuador international was one of several players to complete extra winning after the final whistle.It is a common practice used by the majority of clubs for those players who did not start the match.Hincapie had been introduced to help see out the win after goals from Calafiori and Bruno Guimaraes gave Arsenal the lead.The hosts had trailed earlier in the second half following James Justin’s opener for Leeds.It marked just a third Premier League appearance this season for Hincapie, with all of them coming as a substitute.Prior to Saturday’s match, he had not featured since the Gunners’ win over Chelsea on September 6.However, he did play the full 90 minutes against Napoli in the Champions League three days after beating the Blues.The 24-year-old was also left out of Ecuador’s squad for the recent international break.Hincapie was not included for matches against South Korea, Japan and Panama.His exclusion was in part due to a suspension dating back to the World Cup in the summer.A red card in Ecuador’s last 32 defeat to Mexico in June resulted in a ban to be served outside of the tournament.Arsenal injury latestHincapie could now become the third player unavailable to Mikel Arteta through injury after his latest blow.Arsenal are already without both Christos Tzolis and William Saliba.The former has been ruled out for the remainder of the month after picking up a hamstring injury on international duty with Greece.As for Saliba, he has not featured since suffering a back injury in France’s World Cup semi-final loss to Spain.The centre-back is also targeting a return to action in November having not required surgery on his injury.This is a developing story and is being updated.For the latest updates, breaking news alerts, and comprehensive analysis, refresh this page or follow our real-time news coverage by watching and listening to talkSPORT live.For broader context, explore related coverage on our homepage for the top trending stories. For the latest talkSPORT videos, download the app.talkSPORT cares about getting it right, not just getting it first and because this is a developing situation, details will change. We will be updating this page constantly with verified info, expert takes, and official statements.Stay tuned for further developments as this story continues to break.