Middlesbrough and Sheffield Wednesday have taken the precaution of closing their training grounds following a rise in positive cases. Wednesday caretaker manager Neil Thompson and his temporary assistants Lee Bullen and Steven Haslam are among those affected and will be absent from the dugout when the Owls travel to Exeter in the third round of the FA Cup on Saturday. Blackpool s preparations for their FA Cup game against West Brom have been hindered by two positive tests in their weekly testing. Wigan s two League One fixture against Hull City has been postponed, with the club informing the EFL that it cannot fulfil the fixturs due to a number of positive cases at the club.