Decision to sack Claudio Ranieri nine months after he led Leicester City to a historic title widely criticised.
Manchester City maintained their perfect start to the season with a 2-0 victory over promoted Watford as champions Chelsea suffered a shock 2-1 home defeat by Crystal Palace on Saturday.
Manchester City suffered a shock League Cup defeat at the hands of a reinvigorated Newcastle United, who reached the quarter-finals with a superb 2-0 away win on Wednesday that left the holders nursing the wounds of a bruising past eight days.
Frank Lampard and Edin Dzeko scored twice as holders Manchester City sailed into the English League Cup fourth round with a crushing 7-0 win over Sheffield Wednesday and Chelsea beat Bolton Wanderers 2-1 on Wednesday.
Following is a match by match look at the English Premier League's weekend fixtures:
Two big derbies and an eventful weekend of football awaits us all...
Images from EPL matches played on Tuesday
A match by match look at this weekend's English Premier League fixtures.
Wayne Rooney ended his eight-game Premier League scoring drought with a 2-0 victory against a dogged Sunderland.
Willian's late strike snatched a 1-0 home win for Chelsea over a stubborn Everton side to maintain lead.
Rediff.com takes a look at a few other players who shunned champion sides for mediocre clubs in the Premier League.
Santi Cazorla scored a 94th-minute penalty as sub-par Arsenal beat Southampton on Saturday with Laurent Koscielny's overhead kick having earlier cancelled out Petr Cech's own goal.
Sergio Aguero struck twice as Manchester City came from behind to beat Burnley 2-1 at Turf Moor in the Premier League on Saturday.
Chelsea's Diego Costa continued his stunning start to life in the Premier League with a hat-trick in a 4-2 comeback win over Swansea City on Saturday that left champions Manchester City staring up the table after a 2-2 draw at Arsenal.
Manchester United won away for the first time this season when they beat Arsenal 2-1 at the Emirates Stadium on Saturday to climb to fourth in the Premier League table.
Manchester United stretched their unbeaten run to 11 games in all competitions after Daley Blind, in-form striker Zlatan Ibrahimovic and substitute Henrik Mkhitaryan gave them a 3-1 home win over Sunderland on Monday. Left back Blind fired United ahead with a crisp 39th-minute shot after Ibrahimovic teed him up perfectly. The towering Swede doubled the lead with a clinical 82nd-minute finish for his 17th goal of the season. Fit-again Mkhitaryan put the icing on the cake with a spectacular backheel effort after a sharp Ibrahimovic cross from the right, although television replays suggested the Armenian was marginally offside. Striker Fabio Borini gave Sunderland fans something to cheer with a dipping late volley.
Manchester City returned to the Premier League summit for the first time since January with a 3-2 win at Everton on Saturday that left them six points from a second title in three seasons.
Manchester City started their Premier League campaign in scintillating fashion on Monday with a stylish 4-0 win at home to 10-man Newcastle United that will ring alarm bells for the rest of their title rivals.
Arsenal beat Fulham 2-0 at the Emirates and Manchester City beat Cardiff City 4-2 at the Etihad before Liverpool could only manage a 2-2 draw at Anfield having trailed 2-0.