Paolo Di Canio is Sky Bet's 11/4 favourite to be the first Premier League manager to depart this season after Sunderland's 3-1 defeat at Crystal Palace on Saturday evening.
Newcastle boss Alan Pardew was previously the leader in the market but his price has been pushed out to 4/1 after a late goal from Hatem Ben Arfa secured a 1-0 win at home to Fulham.
Everton chief Roberto Martinez continues to wait for his first Premier League win in charge of the Toffees following the 0-0 draw at Cardiff.
The Spaniard has been cut from 28/1 to 12/1 to leave first by Sky Bet.
In Sky Bet's title betting, Manchester City's 2-0 win at home to Hull saw them trimmed to 2/1 favourites ahead of the massive Liverpool v Manchester United and Arsenal v Tottenham games on Super Sunday.
Alvaro Negredo scored his first City goal to open the scoring and he's now a 20/1 shot to end the season as the top-flight's top goalscorer.
In the Sky Bet Championship, Blackpool sit top after the 1-0 win at home to Watford but they are all the way out at 33/1 in the title betting.
QPR are the 11/4 favourites to finish on top after beating Leeds 1-0 in the lunchtime kick-off and both Watford and Nottingham Forest have been pushed out slightly to 13/2 and 15/2 respectively after defeats.
Wigan were the team to beat Forest and the Latics have been cut to 9/1 to return to the Premier League on top of the second tier of English football.
Leyton Orient have made it five wins out of five in Sky Bet League 1 but odds of 12/1 for the title show there is a long way to go.
Wolves are still unbeaten following a 3-1 win at Port Vale and Kenny Jackett's men head the title betting at 13/8.
Chesterfield now sit top of the Sky Bet League 2 table and on top of the title betting at 3/1 after a 2-0 win at pre-season favourites Portsmouth.
The Spireites replace Oxford, who move out to 15/2 in the title betting, at the summit after the U's drew 1-1 at home to Rochdale.