The Chelsea owner has fired 12 times since he took over the club in 2003
The Russian billionaire have been impatient with coaches and his reign has seen 12 coaches lose their jobs.
10 coaches have been sacked, but Mourinho and Hiddink have faced the wrath of Roman Abramovic twice, making it a total of 12.
The first coach to be sacked by the Abromovic was Claudio Ranieri- he replaced him with Portuguese manager Jose Mourinho.
Below is the full list of coaches sacked by Chelsea owner.
Claudio Ranieri: 2002-2004
Jose Mourinho: 2004-2007
Avram Grant: 2007-2008 009-
Luis Felipe Scolari: 2008-2009
Guus Hiddink: February 2009-May 2009
Carlo Ancelotti: 2009-2011
Andre Villas-Boas: 2011- 2012
Roberto Di Matteo: March 2012- November 2012
Rafael Benitez: 2012-2013
Jose Mourinho: 2013-2015
Guus Hiddink: 2015-2016
Antonio Conte: 2016-2018