Barnsley have sacked manager David Flitcroft after their 3-0 home defeat to Birmingham sent them sliding to the bottom of the Sky Bet Championship.
The Reds have won only twice in 17 league games this season and defeat by Birmingham was one too many for the Oakwell board.
Ex-Bury and Rochdale midfielder Flitcroft, 39, was in charge of the club for less than a year after taking over from Keith Hill in December 2012.
Flitcroft, appointed permanent boss after two wins in three games as caretaker, guided the South Yorkshire club to safety on the final day of last season.
A statement on the club's official website, www.barnsleyfc.co.uk: "Barnsley Football Club can confirm first team manager David Flitcroft has been relieved of his position at the football club.
"Technical coach Martin Scott and strength and conditioning coach Guy Proctor have also parted company with the club.
"Assistant manager Micky Mellon has been placed in caretaker charge of first-team affairs, assisted by development coach Paul Heckingbottom in the meantime.
"There will be no further statements from the club until Wednesday.
"The club would like to place on record their appreciation and thanks for what David, Martin and Guy have achieved."
Barnsley head to Brighton in the Championship on Tuesday night.
Barnsley have fought off interest from a number of Championship clubs to sign highly-rated winger Dale Jennings from European Champions Bayern Munich.
The 20 year old winger burst onto the scene 2 years ago scoring a number of specular goals for Tranmere Rovers. That led to interest from some of the country's top clubs, but Jennings opted to join Bayern.
However, a serious injury stunted his progress in Germany and he's signed a 3 year deal at Oakwell to resurrect his fledgling career under Barnsley manager David Flitcroft.
New Barnsley manager David Flitcroft gives his reaction to Saturday's 2-0 derby win over Leeds United at Oakwell. This interview took place prior to him being given the Barnsley job on a permanent basis on Sunday.