Chelsea fans have taken to social media to heap praise on Atletico Madrid loan star Saul Niguez for his performance in the Blues' 4-0 win against Burnley in the Premier League.Thomas Tuchel's side handed the Clarets a 4-0 thrashing at Turf Moor on Saturday evening. Goals from Reece James and Christian Pulisic, as well as a brace from Kai Havertz, got the job done for the visitors.While the likes of James and Havertz impressed with their goalscoring performances, Chelsea fans were also delighted with Niguez's display. The Spain international started as a left wing-back and helped the Blues keep a clean sheet, while also playing a key role in Pulisic's goal.Some Chelsea fans believe Niguez is now returning to his best after a tough start to his time at Stamford Bridge. Here are some of the best tweets about the 27-year-old's performance against Burnley:strongray@StrongrayLCHM@Vaz_Carefree You see it 🥰🥰🥰10:32 AM · Mar 5, 20221@Vaz_Carefree You see it 🥰🥰🥰El Cholo@ElCholo_25Another good game from Saúl. He is slowly regaining his old form back. You love to see it.10:30 AM · Mar 5, 20221496Another good game from Saúl. He is slowly regaining his old form back. You love to see it. https://t.co/38Yq1vBLXUAtletico Universe@atletiuniverse| Saúl Ñíguez vs Burnley:90 Minutes Played55 (87.3%) Accurate Passes2 Key Passes3/4 Long Balls3/5 Aerial Duels2 Clearances1 Blocked Shot2 Tackles11:45 AM · Mar 5, 20229911📊| Saúl Ñíguez vs Burnley:▫️90 Minutes Played▫️55 (87.3%) Accurate Passes▫️2 Key Passes▫️3/4 Long Balls▫️3/5 Aerial Duels▫️2 Clearances▫️1 Blocked Shot▫️2 Tackles🇪🇸💫👏 https://t.co/zr6yn6K27NOne fan suggested Niguez could prove to be a key player for the Blues if they decide to sign him permanently.zeus_mcmlxxii🌕🆙@skinny_zeusCan’t Chelsea just keep Saul on a permanent deal, possibly can be vital for next season10:19 AM · Mar 5, 2022Can’t Chelsea just keep Saul on a permanent deal, possibly can be vital for next seasonLauren Allison 💙@LaurenJAxI’d start Saul LWB, I thought he was decent midweek. Don’t think he’s put a foot wrong this calendar year actually! or are my expectations just that low of him now that anything he does looks good? 🤨7:23 AM · Mar 5, 202234I’d start Saul LWB, I thought he was decent midweek. Don’t think he’s put a foot wrong this calendar year actually! 😂 or are my expectations just that low of him now that anything he does looks good? 🤨Prove The Identity 🇲🇼🇿🇲@PokeraPonDemSaul today:10:11 AM · Mar 5, 20221567Saul today: https://t.co/EXzCh0nvkYVaz 🦁🇦🇲🇨🇦🇮🇷 CoE 🏆 #TuchelJDP@Vaz_CarefreeSaul was solid again today. Only one error, rest of his performance was spotless10:31 AM · Mar 5, 2022303Saul was solid again today. Only one error, rest of his performance was spotlessPASTOR to the Marlians@yosoyeelishaSaul Niguez is a fighterHe'll survive at Chelsea11:01 AM · Mar 5, 20221Saul Niguez is a fighterHe'll survive at ChelseaDanush Deshmuk Tirna@DDT_ChelseaSaul put in a solid performance as a LWB. Provides a great cross that led to Pulisic's goal. Did well in distributing the ball. Decent performance.10:30 AM · Mar 5, 20222Saul put in a solid performance as a LWB. Provides a great cross that led to Pulisic's goal. Did well in distributing the ball. Decent performance.Fixon-Owoo@fixon2owooSaul settling well at Chelsea. Very impressive today #BurChe10:22 AM · Mar 5, 202241Saul settling well at Chelsea. Very impressive today #BurCheThe European champions signed Niguez on a season-long loan from Atletico Madrid last summer. They also reportedly have the option of acquiring the midfielder's services on a permanent deal.Niguez, though, struggled to hit the ground running at Stamford Bridge. The Spaniard was the subject of severe criticism from Blues fans for his performances early on in the season.However, the 27-year-old now appears to be gaining momentum at Chelsea. He played the full 90 minutes for the Blues in the Premier League for the first time against Burnley on Saturday.The Atletico Madrid loanee will now be looking to add more league starts to his name in the coming weeks. It remains to be seen if Niguez can establish himself as a regular starter for the London giants before the end of the season. Niguez has made 19 appearances across competitions for Chelsea this season, 10 of which have been starts.Chelsea set to face Norwich City in the league nextThe Blues are scheduled to lock horns with Norwich City at Carrow Road on Thursday. They will be determined to extend their winning run in the Premier League to four games against Dean Smith's side.Thomas Tuchel's side then face Newcastle United at Stamford Bridge on Sunday. They will have the chance to book their place in the quarter-finals of the UEFA Champions League when they face Lille on 16 March in the second leg of their Round of 16 clash with the French champions.The Blues have already placed one foot into the quarter-finals of the competition. They beat the Ligue 1 champions 2-0 at Stamford Bridge in the first leg last month.