Potter joins Chelsea a day after they sacked Tuchel, with the team sixth in the league on 10 points after six matches.
A first-half penalty earned Lille a shock 1-0 home victory over holders Real Madrid in the Champions League group phase on Wednesday.
The Serie A side progressed from Group D with a game to spare after beating Dinamo Zagreb 2-1. Galatasaray, the 2000 winners, Standard Liege, Twente Enschede and Ukraine's Metalist Kharkiv also reached the last 32, joining favourites AC Milan, CSKA Moscow, Manchester City and St Etienne who had already qualified.
The Modric family took refuge in a hotel near Zadar in 1991 when the war that followed the breakup of former Yugoslavia started and after Luka's grandfather was killed by Serb militia.
Croatia striker Eduardo has signed a new long-term contract with Arsenal, the Premier League club said on Wednesday.
Arsenal's captain will miss next week's Champions League qualifier due to a lack of pre-season training, while keeper Jens Lehmann is suspended for the third round, first leg tie.
Clubs from Lithuania, Georgia, Moldova and Macedonia on Tuesday became the first four to progress from 11 Champions League first qualifying round ties.
IMAGES from the UEFA Champions League matches played on Wednesday
Manchester City came from behind to beat Club Brugge 3-1 and secure their place in the Champions League playoffs
Liverpool's Luis Diaz scored a hat-trick as they maintained their perfect Champions League campaign with a barnstorming second-half display in a 4-0 victory over Xabi Alonso's Bayer Leverkusen at Anfield on Tuesday.
Croatia thrives on being considered underdogs and warned that the 2018 World Cup runners-up have what it takes to reach the final again.
Roundup of the matches being held across major football leagues in Europe
After damaging losses to Dinamo Zagreb and Olympiakos Piraeus in their first two fixtures, the Gunners have to win to advance to the knock-out stages
'We are a team and a group on the pitch. Of course, it's our responsibility what happened.'
Croatian striker Andrej Kramaric broke his country's scoring record by netting eight times as top flight Rijeka thrashed third division Zmaj Blato 11-0 in a cup match on Wednesday.
A round-up of Tuesday's action in the UEFA Champions League.
News of all that's transpired on and off the football field
Manchester City's Erling Haaland faces Borussia Dortmund and Barcelona's Robert Lewandowski meets Bayern Munich after the Champions League group-stage draw was made on Thursday.
News of all that's transpired on and off the football field
Barcelona's Luis Suarez hit a brace and set up a double for a spritely Lionel Messi to score in his first start after injury in a rampant 6-1 Champions League victory over AS Roma on Tuesday.
In the day's other fixtures, Croatian champions Dinamo Zagreb took a big step towards the next stage with a 2-0 win at Georgians Saburtalo and Copenhagen won at Welsh side The New Saints by the same score.
Seven-time European champions AC Milan hit back from two goals down against Celtic to claim a 4-2 victory that sent them into the Europa League knockout phase on Thursday as they were among 14 teams to progress in Europe's second-tier competition.
In the third-tier Europa Conference League, English Premier League club Leicester City will face Danish side Randers and Scottish club Celtic will take on Norwegian champions Bodo/Glimt in the knockout playoff round.
Liverpool received a relatively kind draw for the group stage of this year's Champions League
Jonatan Soriano's love affair with the Europa League continued as last season's top scorer grabbed a hat-trick on Thursday to help Salzburg become one of four teams to reach the knockout stages.
AC Milan have been drawn to play Manchester United in what is the standout tie in next month's Europa League round of 16.
Sevilla's love affair with the Europa League was immediately rekindled as last season's champions and three-time winners began this year's group stage with a 2-0 home victory over Feyenoord on Thursday.
A round-up of Wednesday's action in the UEFA Champions League.
Last-minute starter Adrian Ramos scored a first-half header to give Borussia Dortmund a 1-0 victory over Sporting on Wednesday and earn a spot in the knockout stage of the Champions League with two Group F matches to spare.
With the away goals rule no longer in place this season, PSV missed a string of chances to force extra time with Eran Zahavi hitting the crossbar from three metres with the goal at his mercy in the 62nd minute.
Eight police officers needed hospital treatment and more than 15 soccer fans were arrested following violent clashes ahead of Wednesday's Champions League match between Scotland's Celtic and Dutch club Ajax Amsterdam on Wednesday.
A round-up of Wednesday's action in the UEFA Champions League.
IMAGES from the UEFA Champions League matches played on Wednesday.
A round-up of Wednesday's action in the UEFA Champions League.
Real Madrid goalkeeper Keylor Navas says the signing of Belgium keeper Thibaut Courtois has not affected his desire to remain at the triple European champions as he emphatically ruled out leaving the club in order to be assured of first team football.
The 31-year-old is still recovering from the knee injury which forced him to limp out of the Euro 2016 final against France in the first half, coach Fernando Santos said.
Pep Guardiola's ManchesterCity will play Romanian side Steaua Bucharest in the Champions League playoff round after the draw was made in Nyon on Friday.
The FIFA 2022 World Cup will kick-off in Qatar on Sunday, November 20. Here is a list of the 26-man squads playing in the quadrennial global football extravaganza.
Players who have been ruled out or are doubtful for the 2022 World Cup.
Ajax were joined by Young Boys, who stunned Dinamo Zagreb 2-1 away for a 3-2 aggregate win over the Croatians, and AEK Athens who scraped a 1-1 home draw with FC Vidi after a 2-1 win in the first leg in Hungary.