Claudio Ranieri has called on Fulham to "clean everything and restart" as he faces Southampton in his first match in charge on Saturday.
Ranieri has been appointed to replace Slavisa Jokanovic and try to turn things around after a six-match losing streak.
Ranieri won the title in his last spell in the Premier League with Leicester, but his primary aim now is to shore up Fulham's defence, which has conceded 31 goals this season.
"Forget the past. Today I said this, restart every time, we can win, lose, clean and restart tomorrow. I show them some videos from the previous game and I said what is right and what is wrong," he said.
"This week, I work hard and they (the players) follow me very well, but it's not possible in very few days to arrange everything. I hope to maintain the clean sheet and then if we can score, it's much better."
Southampton have only made a marginally better start to the season than Fulham.
They are three points above their weekend opponents and manager Mark Hughes is reportedly under pressure.
"There will always be speculation, I call it noise," he said. "At the moment the noise is around me, it's the nature of the role... the only way it goes away is by getting positive results and positive performances."
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Fulham have lost just one of their last 14 home league games against Southampton (W7 D6), though it was in their last such meeting in February 2014 (0-3).
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In all competitions, Southampton are unbeaten in their last six meetings with Fulham (W3 D3), winning the last three without conceding.
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No side has failed to score in more Premier League games than Southampton this season (6), though Fulham are the only side yet to keep a clean sheet in the competition so far.
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Fulham have lost their last six Premier League games - they've not lost seven league games in a row since a run of 11 between December 1961 and February 1962.
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Fulham have conceded 31 goals in their 12 Premier League games so far - only in the 1925-26 second tier campaign have they conceded more at this stage of a league season (34).
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Only two sides have ever accrued fewer points than Fulham's five from their opening 12 Premier League games: Everton (1994-95) and QPR (2012-13) both had four points at this stage.
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The Cottagers could lose seven successive league matches for the first time since an 11-game losing streak between December 1961 and February 1962.
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Fulham are one of just two teams yet to keep a clean sheet in English league football this season, along with League Two Macclesfield.
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They have gone 16 top-flight matches without a clean sheet and have conceded at least twice in 14 of those fixtures.
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Fulham's next win will be their 300th in the top flight.
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Claudio Ranieri's first league games in charge of Chelsea and Leicester both featured six goals; the former drew 3-3 with Manchester United in 2000 while the latter beat Sunderland 4-2 in 2015.
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Twelve of Aleksandar Mitrovic's 14 shots on target in the Premier League this season came in Fulham's first six games, with just two in the subsequent six matches.
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Southampton won their last away Premier League game in London vs Crystal Palace - they've not won consecutive league games in the capital since 2014-15 (vs Crystal Palace and QPR).
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Saints are winless in their last eight league games, losing four of those matches.
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Mark Hughes has won three of his 20 league games in charge of Southampton (D7, L10).
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Saints have only managed 47 goals in their past 56 league matches.
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They have won just one of their last 10 league games versus newly-promoted sides (D6, L3), with that solitary victory coming against Middlesbrough in May 2017.
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Danny Ings has been directly involved in 63% of his team's eight Premier League goals this season - scoring four and assisting one. It's the highest percentage of any player this season.