Chelsea head coach Graham Potter commented on the team's defeat in the first leg of the Champions League last-16 against Borussia Dortmund (0-1).
Graham Potter, Getty Images"Everything can be assessed by the reaction of the fans. They are positive, watching the team play. We continue to build the team, and we know that there are many good moments ahead. We need to keep working. Chelsea are going through a difficult period," Potter was quoted as saying by BT Sport.
