Chelsea have confirmed that Robert Sanchez has been training this week ahead of Sunday’s EFL Cup final against Liverpool. The Blues squad are now gearing towards the weekend’s trip to Wembley Stadium, where the Carabao Cup trophy is up for grabs when Chelsea face Liverpool in a repeat of the 2022 final. So, who will the starting goalkeeper for Mauricio Pochettino’s side? Robert Sanchez, 26, hasn’t played since December because of a knee injury. It’s worth remembering that he was the first-choice goalkeeper at Chelsea before that. As a result, 24-year-old gloveman Djordje Petrovic has impressed…