Editing Lille OSC (section)

===Campos and Galtier era: sustained success (2017–2021)===
In early 2017, Lille appointed [[Luís Campos (football)|Luís Campos]] as [[sporting director]] and head of recruitment. A short time afterwards, the club announced the arrival of Argentine famous manager [[Marcelo Bielsa]]. In November 2017, Bielsa was suspended by Lille following an unauthorized trip to [[Chile]] with the club lying second from bottom on the table again and only managing 3 wins from the first 14 games of the season.<ref>{{cite news|url=https://www.theguardian.com/football/2017/nov/30/marcelo-bielsas-short-lived-catastrophe-at-lille-is-coming-to-an-end|title=Marcelo Bielsa's short-lived catastrophe at Lille is coming to an end|work=The Guardian|date=30 November 2017}}</ref> On 23 December 2017, Bielsa was terminated by Lille and replaced with former Saint-Etienne manager [[Christophe Galtier]].<ref>{{cite news|url=https://www.getfootballnewsfrance.com/2017/christophe-galtier-to-take-over-from-marcelo-bielsa-as-lille-manager/|title=Christophe Galtier to take over from Marcelo Bielsa as Lille manager|work=Get French Football News|date=23 December 2017|access-date=2 March 2018|archive-date=2 March 2018|archive-url=https://web.archive.org/web/20180302163824/https://www.getfootballnewsfrance.com/2017/christophe-galtier-to-take-over-from-marcelo-bielsa-as-lille-manager/|url-status=live}}</ref> In a difficult [[2017–18 Lille OSC season|2017–18 season]], Lille managed to avoid relegation to Ligue 2 by defeating [[Toulouse FC|Toulouse]] 3–2 in the second last game of the campaign.<ref>{{cite news|url=https://www.theguardian.com/football/2018/may/14/lille-relegation-ligue-1-monaco-psg-strasbourg-lyon|title=Lille have pulled off a miraculous escape from relegation – or have they?|work=The Guardian|date=14 May 2018|access-date=21 May 2018|archive-date=29 January 2019|archive-url=https://web.archive.org/web/20190129231408/https://www.theguardian.com/football/2018/may/14/lille-relegation-ligue-1-monaco-psg-strasbourg-lyon|url-status=live}}</ref>

[[File:Lille vs PSG 2019 - Stade Pierre Mauroy.jpg|thumb|A crowded [[Stade Pierre-Mauroy]] before Lille's 5–1 win over [[Paris Saint-Germain F.C.|Paris Saint-Germain]] on 14 April 2019]]
Lille's following season is completely different. After the arrivals of veterans [[José Fonte]] and [[Loïc Rémy]], Turkish right-back [[Zeki Çelik]] and forwards [[Jonathan Bamba]], [[Jonathan Ikoné]] and [[Rafael Leão]], the team proceeded to reel off a string of victories, losing only five games in the first part of the [[2018–19 Ligue 1|2018–19 Ligue 1 season]]. On 14 April 2019, before a record attendance of 49,712 spectators, they defeated Paris Saint-Germain in a historic and storming 5–1 home win with goals from [[Nicolas Pépé]], Jonathan Bamba, [[Gabriel Magalhães|Gabriel]] and team captain José Fonte.<ref>{{cite web |language=en |url=https://www.besoccer.com/new/psg-title-party-delayed-again-after-historic-thumping-at-lille-617392 |title=PSG title party delayed again after historic thumping at Lille |date=15 April 2019 |website=BeSoccer.com |access-date=19 September 2022 |archive-date=20 September 2022 |archive-url=https://web.archive.org/web/20220920173047/https://www.besoccer.com/new/psg-title-party-delayed-again-after-historic-thumping-at-lille-617392 |url-status=live }}</ref> At the end of the season, Lille secured the second place to qualify for the [[2019–20 UEFA Champions League]] group stage; they returned to the competition after a seven-year absence.<ref>{{cite web |language=fr |url=https://rmcsport.bfmtv.com/football/ligue-1-lille-officiellement-en-ligue-des-champions-1689691.html |title=Ligue 1 : Lille officiellement en Ligue des champions |date=11 May 2019 |website=[[RMC Sport]] |access-date=27 October 2022 |archive-date=19 June 2019 |archive-url=https://web.archive.org/web/20190619002930/https://rmcsport.bfmtv.com/football/ligue-1-lille-officiellement-en-ligue-des-champions-1689691.html |url-status=live }}</ref> On 1 August 2019, club's season-top scorer Nicolas Pépé is sold to Premier League side [[Arsenal F.C.|Arsenal]] in a club-record fee of €80&nbsp;million (£72&nbsp;million).<ref>{{cite web |language=en |url=https://www.skysports.com/football/news/11670/11773463/nicolas-pepe-completes-move-to-arsenal-from-lille-for-club-record-72m |title=Nicolas Pepe completes move to Arsenal from Lille for club-record £72m |date=2 August 2019 |website=[[Sky Sports]] |access-date=2 August 2019 |archive-date=2 August 2019 |archive-url=https://web.archive.org/web/20190802002815/https://www.skysports.com/football/news/11670/11773463/nicolas-pepe-completes-move-to-arsenal-from-lille-for-club-record-72m |url-status=live }}</ref> Lille announced the recruitment of [[Victor Osimhen]] and [[Tiago Djaló]] on the same day, after the signings of [[Timothy Weah]], [[Reinildo Mandava]] and [[Benjamin André]] a few weeks earlier. The club then announced the arrivals of [[Yusuf Yazıcı]] and [[Renato Sanches]] to strengthen the midfield.<ref>{{cite web |language=fr |url=https://www.losc.fr/actualites-foot-lille/le-mercato-2019-2020-de-à-z |title=Le mercato 2019-2020 de A à Z |date=4 September 2019 |website=LOSC.fr |access-date=27 October 2022}}</ref> In early March 2020, the Northmen were in 4th place with 49 points after 28 rounds. However, the [[2019–20 Ligue 1|Ligue 1 season]] ended abruptly as the [[Ligue de Football Professionnel|LFP]] first suspended domestic leagues indefinitely following the outbreak of [[COVID-19 pandemic in France|COVID-19 in France]] on 13 March, and then definitely cancelled French football competitions a month and a half later.<ref>{{cite web |language=en |url=https://www.bbc.co.uk/sport/football/52460468 |title=Ligue 1 & 2: France's top two divisions will not resume this season |date=28 April 2020 |website=[[BBC Sport]] |access-date=27 October 2022 |archive-date=28 April 2020 |archive-url=https://web.archive.org/web/20200428150855/https://www.bbc.co.uk/sport/football/52460468 |url-status=live }}</ref>

In the 2020 summer transfer window, Lille chose to sign young talents [[Sven Botman]] and [[Jonathan David]] as well as veteran [[Burak Yılmaz]].<ref>{{cite web |url=https://theathletic.com/news/lille-title-psg-ligue-1/J3RIEgvzsETC |title=Lille win Ligue 1 title as PSG battle goes down to the wire |last=Bosher |first=Luke |date=24 May 2021 |website=[[The Athletic]] |access-date=27 October 2022 |archive-date=6 July 2022 |archive-url=https://web.archive.org/web/20220706074635/https://theathletic.com/news/lille-title-psg-ligue-1/J3RIEgvzsETC/ |url-status=live }}</ref> At the end of the [[2020–21 Ligue 1|2020–21 season]] first half, Lille had only lost two games and was well installed in the top league rankings, having defeated [[Derby du Nord]] rivals [[RC Lens|Lens]] in a 4–0 home win on 18 October 2020.<ref>{{cite web |language=en |url=https://eu.usatoday.com/story/sports/soccer/2020/10/18/depay-stars-as-lyon-beats-strasbourg-3-2-monaco-draws-1-1/42853961 |title=Leader Lille 2 points clear of PSG after beating Lens 4-0 |date=18 October 2020 |website=[[USA Today]] |access-date=27 October 2021 |archive-date=9 June 2024 |archive-url=https://web.archive.org/web/20240609062531/https://www.usatoday.com/story/sports/soccer/2020/10/18/depay-stars-as-lyon-beats-strasbourg-3-2-monaco-draws-1-1/42853961/ |url-status=live }}</ref> The Mastiffs started the second part of the season with a six-game winning streak and lost only once until the end. On 3 April 2021, Lille won at Paris with a Jonathan David goal and took over sole possession of first place in the league.<ref>{{cite web |language=en |url=https://www.theguardian.com/football/2021/apr/06/lille-win-psg-a-reminder-fame-ligue-1-france-title-race |title=Lille's win over PSG shows that fame only takes you so far in Ligue 1 |last1=White |first1=Adam |last2=Devin |first2=Eric |date=6 April 2021 |website=[[The Guardian]] |access-date=27 October 2021 |archive-date=9 June 2024 |archive-url=https://web.archive.org/web/20240609062531/https://www.theguardian.com/football/2021/apr/06/lille-win-psg-a-reminder-fame-ligue-1-france-title-race |url-status=live }}</ref> Three weeks later, Lille came back from two goals down to beat [[Olympique Lyonnais|Lyon]] at [[Groupama Stadium]] as Burak Yılmaz scored twice including a 27-yard free kick in a breathtaking 3–2 away win.<ref>{{cite web |language=en |url=https://www.dawn.com/news/1620623/yilmaz-double-helps-lille-rally-against-lyon-to-reclaim-top-spot |title=Yilmaz double helps Lille rally against Lyon to reclaim top spot |date=27 April 2021 |website=[[Dawn (newspaper)|Dawn]] |access-date=27 October 2021 |archive-date=14 March 2022 |archive-url=https://web.archive.org/web/20220314053531/https://www.dawn.com/news/1620623/yilmaz-double-helps-lille-rally-against-lyon-to-reclaim-top-spot |url-status=live }}</ref> Lille then defeated local rivals once again, scoring three goals at Lens and prevailing in the season with an aggregate score of 7–0.<ref>{{cite web |language=fr |url=https://www.lepetitlillois.com/2021/05/08/jonathan-david-franchement-cest-beau-ce-quon-a-fait-contre-lens |title=Jonathan David : " Franchement, c'est beau ce qu'on a fait contre Lens " |last=Moniot |first=Pierrick |date=8 May 2021 |website=Le Petit Lillois |access-date=27 October 2022 |archive-url=https://web.archive.org/web/20230313160531/https://www.lepetitlillois.com/2021/05/08/jonathan-david-franchement-cest-beau-ce-quon-a-fait-contre-lens |archive-date=13 March 2023}}</ref> On 23 May, Lille sealed the Ligue 1 title with a 2–1 victory at [[Angers SCO|Angers]] after a dramatic Ligue 1 final round and won its fourth Ligue 1 title under the guidance of manager Christophe Galtier. At the end of the season, goalkeeper [[Mike Maignan]] finished the season with 21 clean sheets, one short of the league season all-time record.<ref>{{cite web |language=en |url=https://www.theguardian.com/football/2021/may/24/lille-ligue-1-title-decade-christophe-galtier |title=Lille hold their nerve to clinch their first Ligue 1 title for a decade |last1=White |first1=Adam |last2=Devin |first2=Eric |date=23 May 2021 |website=[[The Guardian]] |accessdate=24 May 2021 |archive-date=7 January 2022 |archive-url=https://web.archive.org/web/20220107044942/https://www.theguardian.com/football/2021/may/24/lille-ligue-1-title-decade-christophe-galtier |url-status=live }}</ref> Competing also in the [[2020–21 UEFA Europa League]], they defeated AC Milan at San Siro, on 5 November 2020, in a big 3–0 away win with a hat-trick from Yusuf Yazıcı, but lost to [[AFC Ajax|Ajax]] in [[2020–21 UEFA Europa League knockout phase#Round of 32|round of 32]].<ref>{{cite web |language=fr |url=https://www.20minutes.fr/sport/2985963-20210225-ajax-losc-lille-quitte-europe-rougir |title=Ajax-LOSC : Lille quitte l'Europe sans rougir |last=Launay |first=François |date=25 February 2021 |website=[[20 minutes (France)|20 minutes]] |access-date=27 October 2022 |archive-date=27 October 2022 |archive-url=https://web.archive.org/web/20221027084236/https://www.20minutes.fr/sport/2985963-20210225-ajax-losc-lille-quitte-europe-rougir |url-status=live }}</ref>