Police and NorwichCity are investigating an alleged racist message posted about the club's manager Chris Hughton on an unofficial Facebook page.
Images from the English Premier League matches played on Sunday.
Addo joins Roberto Martinez (Belgium), Carlos Queiroz (Iran) and Gerardo Martino (Mexico) as coaches who immediately left their jobs after World Cup elimination this week.
Blackburn Rovers manager Sam Allardyce became the second mid-table Premier League manager to be sacked in eight days after the club's new Indian owners announced his departure with immediate effect on Monday.
Former England and Newcastle United captain Alan Shearer will manage Newcastle United for the remainder of the season, according to television reports on Tuesday.
Newcastle United named Alan Pardew as their 12th manager in the last 13 years on Thursday in place of Chris Hughton who was controversially sacked this week.
The Premier League club did not say who would replace Jol, although Seville's Juande Ramos is expected to take over.
Here are five talking points from the final weekend of the Premier League season:
New manager David Moyes has criticised the series of fixtures Manchester United have been handed at the start of the new season, hinting it is a deliberate ploy by the Premier League to give them a tough opening.
Harry Kane became Tottenham's joint fifth highest scorer as he helped his side earn a 2-1 Premier League victory over Brighton & Hove Albion on Saturday.
After bagging the League Cup, being locked in a titanic battle with Liverpool for the Premier League title and in the Champions League quarter-finals, Pep Guardiola's side remain on course for an unprecedented clean sweep.
Striker Glenn Murray scored a brace and Jose Izquierdo curled in a shot from outside the box to lift promoted Brighton to 10th in the standings, leaving West Ham in 17th just above the relegation zone.
'I can't comment on speculation. I don't bet and I don't do the lottery - it's not my way'
Brighton and Hove Albion made sure of Premier League football next season with two games to spare after a Pascal Gross goal gave them a memorable 1-0 home win over Manchester United on Friday.
Brighton and Hove Albion's Tomer Hemed grabbed the only goal as they ended Newcastle United's three-match winning streak with a 1-0 victory on Sunday in a battle between two of this season's promoted sides.
The visitors went ahead through Eric Maxim Choupo-Moting but Pascal Gross equalised just before the break only for Kurt Zouma to head Stoke back in front moments later. Jose Izquierdo then levelled for Brighton on the hour to earn a deserved point.
Eriksen punctured Brighton's armour from Tottenham's 29th goal attempt -- 21 of which were from outside the penalty area.
The hosts had looked on course to take all three points from a drab match when Anthony Knockaert pounced on a loose ball and fired home eight minutes from full-time.
Second-tier Forest's buoyant fans were briefly silenced when Leicester grabbed a lifeline before halftime as Kelechi Iheanacho pounced on an error to score from an acute angle.
Defeat always seemed likely for West Brom, who are bottom of the Premier League and sacked their chairman and chief-executive on Tuesday.
With dreams of European glory in tatters, Manchester United, Chelsea and Tottenham Hotspur turn their attention to the FA Cup quarter-finals this weekend clinging to their last chance of silverware this season.
Such is the level of consistency of Manchester City (nine straight wins) and Liverpool (five straight victories), that it can be easy to lose sight of just how good this title race is.
Arsenal maintained their challenge for a first trophy in nine seasons when they beat Liverpool 2-0 at the Emirates Stadium to open up a five-point lead at the top of the Premier League on Saturday.
Manchester City endured some anxious moments but escaped from fourth-tier Newport County with their FA Cup hopes intact as Phil Foden scored twice in an ultimately comfortable 4-1 fifth-round victory on Saturday.
Images from the English Premier League matches played on Tuesday
Cardiff had lost six of their previous seven games but, knowing that anything but a victory would probably end their survival hopes after one season in the top flight, overcame a strong Brighton start to play with growing confidence and fully deserved their victory.
Images from the EPL matches played on Sunday
Headers by Romelu Lukaku and Nemanja Matic earned Manchester United an unconvincing 2-0 victory over Brighton and Hove Albion in a low-key FA Cup quarter-final played in freezing conditions on Saturday.
Runaway Premier League leaders Manchester City beat champions Chelsea 1-0 at the Etihad Stadium on Sunday to extend their lead to 18 points and leave the London side further adrift from the Champions League qualification spots.
A preview of the line-up action in the English Premier League from October 20-22.
Match-by-match facts and statistics ahead of the Premier League fixtures on April 28-30
Liverpool had to be satisfied with a 1-1 Premier League draw at Arsenal on Saturday as their usually prolific attacking trio were well shackled by their improving hosts.
Following is a match by match look at the English Premier League's weekend fixtures:
Raheem Sterling scored a hat-trick as champions Manchester City made a convincing start to their title defence with a 5-0 win over West Ham United.
News of all that's transpired on and off the football field
A summary of sports events and sports persons, who made news on Tuesday