Premier League chiefs are growing concerned after Leicester became the first city in the UK to be put under a local lockdown.Cases of Covid-19 are three times higher in Leicester than anywhere in the UK with the Foxes set to play Crystal Palace at the King Power Stadium on Saturday.The Premier League returned earlier this month after a three-month postponement due to coronavirus.Matches are being played behind closed doors with plenty of regulations in place to ensure games can go ahead.Though Premier League chief executive Richard Masters has admitted that Leicester’s game with Palace could be moved or postponed if necessary.Premier League chiefs are anxious to complete the season and are trying to prevent positive tests from decimating.