With the Owls sitting 11th in the Championship table, Sheffield Wednesday have announced the appointment of Garry Monk.
Ahead of the international break, the Championship's top two are Swansea City and Charlton Athletic.
Marcelo Bielsa's Leeds United continued a fine start to the season while promotion rivals Fulham lost to Nottingham Forest.
In Tuesday's Championship action, Middlesbrough got their first win of the season and Sheffield Wednesday went back to the summit.
Sheffield Wednesday's loss to a 10-man Millwall and Charlton Athletic's draw at Oakwell opened the door for Leeds United to go top.
Leeds United dropped their first points of the season while Charlton Athletic and Sheffield Wednesday maintained 100 per cent starts.
Newcastle United have brought back striker Andy Carroll on a free transfer following his release from West Ham.
Massimo Luongo becomes Sheffield Wednesday's fifth signing of the transfer window after joining from Queens Park Rangers on deadline day.
Managerless Sheffield Wednesday began the new Championship season in style, as did newcomers Charlton Athletic and Barnsley.
Steve Bruce's appointment as new Newcastle United boss has prompted Sheffield Wednesday to get the Premier League involved.