The former Barnsley and Leeds boss was in charge for 32 matches but leaves the club at the wrong end of the Ladbrokes Premiership after just one league win so far in 2019/20.
But who are the managers the bookies are tipping to be in contention for the vacant head coach role at Easter Road? Some names will raise a few eyebrows... (via TheSackRace.com).
17. Neil McCann - 20/1
Ex-Hearts and Rangers winger had 18-month spell as Dundee boss. Said this week he was keen on succeeding Craig Levein at Tynecastle | other
18. Andy Kirk - 20/1
Currently head coach of Hearts' reserve side, the former striker cut his coaching teeth at Rangers before returning to Tynecastle. | other
19. Jon Daly - 20/1
Ex-Dundee United forward has had two spells as interim boss of Hearts. Currently first-team coach at Tynecastle | other
20. Paul Hartley - 20/1
Has taken Cove Rangers to the top of League Two after spells at Alloa, Dundee and Falkirk. Past with Hearts as a player after spell with Hibs would surely count against him! | other