Chelsea have parted ways with manager Frank Lampard after a spell of poor Premier League form.
Lampard spent a large majority of his playing career with the club and became all-time top goalscorer as they secured three league titles during his time at Stamford Bridge.
Here, the PA news agency looks at the midfielder-turned-manager and his relationship with the Blues.
After starting his career at West Ham, Lampard (right) joined Chelsea in June 2001 in a deal worth £11million (Tom Hevezi/PA)
Lampard made his Chelsea debut against Newcastle, appearing in all of the club’s matches during the 2001-02 season and scoring eight goals (Tom Hevezi/PA)
The 2004-2005 season was the third-consecutive term that Lampard played in all of Chelsea’s matches, his efforts accumulating to help the club end the season as Premier League champions (Rebecca Naden/PA)
Chelsea retained the title the following season, with Lampard the club’s top goalscorer having contributed 16 league goals (Jane Mingay/PA)
Lampard won his first of four FA Cup titles in 2007 when Chelsea defeated Manchester United 1-0 to lift the trophy (Martin Rickett/PA)
Lampard scored the winning goal when Chelsea reclaimed the FA Cup title against Everton in 2009 (Nick Potts/PA)
Lampard’s third FA Cup win was secured in 2010 when Chelsea triumphed 1-0 over Portsmouth (Nick Potts/PA)
The midfielder’s final FA Cup victory came in 2012 with a 2-1 defeat of Liverpool (Nick Potts/PA)
Chelsea beat Bayern Munich on penalties to secure the 2012 UEFA Champions League title (Owen Humphreys/PA)
Lampard won his final trophy as a player in 2013 when Chelsea defeated Benfica 2-1 to triumph in the Europa League (Nick Potts/PA)
In 2014, after 13 years, 648 appearances and 211 goals for the club, Frank Lampard departed Chelsea to join fellow Premier League side Manchester City (Rebecca Naden/PA)
In July 2019, after a spell managing Championship side Derby, Lampard was appointed as Chelsea manager (Yui Mok/PA)
Lampard’s first fixture at the helm of the club ended in a 4-0 loss to Manchester United (Martin Rickett/PA)
A first victory in his new role came in August 2019, when his side defeated Norwich 3-2 (Joe Giddens/PA)
Lampard (right) launched a string of expletives at the Liverpool bench during Chelsea’s 5-3 Premier League loss in July 2020 (Laurence Griffiths/PA)
Lampard led his club to the final of the FA Cup in 2020, but the team were defeated 2-1 by Arsenal (Adam Davy/PA)
After a run of five defeats from eight Premier League games, Chelsea dismissed Lampard from his role on January 25 (Peter Powell/PA)
Leicester's Daniel Amartey takes low road to seal comeback at Brighton Leicester’s Daniel Amartey celebrates his late winner against Brighton. Photograph: Getty Images
Pep Guardiola has an embarrassment of riches for Sunday’s Manchester derby, with a fully-fit Man City squad to choose from as they continue their romp towards the title. The return of defender Nathan Ake after a muscular problem this week means the Premier League leaders now have no players in the treatment room. It is a boost for quadruple-chasing City as they look to extend their 14-point advantage over second-placed United in the fixture at the Etihad Stadium.
Ole Gunnar Solskjaer would probably prefer a few more selection problems than he will have heading into tomorrow’s Manchester derby. Manchester United have drawn a blank in their last three games - all 0-0 draws - with the goals drying up of late. The absence of Paul Pogba has left United relying on Bruno Fernandes and Marcus Rashford for inspiration, but Solskjaer’s key men have looked tired of late and could do with a rest - but they won’t get one this weekend.
Liverpool's defensive problems have once again worsened ahead of the visit of Fulham on Sunday with Ozan Kabak the latest to sustain an injury. The defender, on loan from Schalke, as the champions fell to a fifth consecutive home defeat - a 1-0 reverse to Chelsea - but reported an issue afterwards which now makes him a doubt for the weekend. "Ozan had, after the game, a little problem," Jurgen Klopp told reporters.
Juventus must overturn a first-leg deficit to avoid a shock exit at the hands of Porto in the Champions League. A lacklustre showing in the first leg in Portugal gives the visitors a 2-1 advantage, though the Old Lady have hope through Federico Chiesa’s away goal. The last time Porto won away from home in the Champions League knockout stages was the year they won the competition, on 2002-03.