Hull City announced that they had dismissed head coach Tim Walter on Wednesday after just 18 games in charge.
The Tigers are currently 22nd on the Championship table and at risk of relegation, though they finished seventh at the end of last season's campaign under former boss Liam Rosenior who was sacked in May for failing to make the play-offs.
Tuesday night's 2-0 loss to Sheffield Wednesday seemed to be the final straw for owner Acun Ilicali - though prior to the match, he had claimed in a BBC Radio Humberside interview that a bad result would not endanger the German's job.