Chelsea fans have taken to social media to express their thoughts after the Blues confined the signing of Wesley Fofana from Leicester City.Chelsea have announced the signing of Fofana from Premier League rivals Leicester. They have forked out an initial sum of £70 million to acquire the centre-back's services.Fofana thus becomes the Blues' seventh major signing of the summer transfer window. He joins Marc Cucurella, Raheem Sterling, Kalidou Koulibaly, Carney Chukwuemeka, Gabriel Slonina, and Cesare Casadei in moving to Stamford Bridge this season.However, the 21-year-old's arrival does not seem to have lightened the mood among Chelsea fans much. The London giants have spent well over £200 million this summer, but supporters believe the club need more signings.Here is how a section of the Blues faithful reacted to Fofana's signing:Chelsea FC@ChelseaFCWelcome, Wesley! #FofanaIsChelsea391518633Welcome, Wesley! 😁#FofanaIsChelsea𝐏𝐔𝐋𝐈𝐒𝐈𝐂̧𝐀𝐓𝐄@Pulisicate@ChelseaFC Warra 3 Points for us against Southampton. Get more players in. A Striker and a midfilder at least1432@ChelseaFC Warra 3 Points for us against Southampton. Get more players in. A Striker and a midfilder at leastRyley ⭐️⭐️@CFC_Ryley@ChelseaFC Can he play striker?27@ChelseaFC Can he play striker?⚓@Calming_29@ChelseaFC Nice one lads now please sign a midfielder521@ChelseaFC Nice one lads now please sign a midfielder https://t.co/XOOL8dLTvQOne Blues supporter wrote on Twitter:"It's funny how you all keeping buying defenders when all we need is [a] striker."Biggz❤️@OloladeSzn@ChelseaFC It’s funny how y’all keep buying defenders when all we need is STRIKER 6@ChelseaFC It’s funny how y’all keep buying defenders when all we need is STRIKER 😭Another fan stressed the need for the Blues to sign four more players before the transfer window closes tomorrow (September 1), writing:"Love it guys, we can't stop here. We need two more attackers, [a] midfielder and [a Reece] James backup."Roman empire ⭐️⭐️@yeswekante7@ChelseaFC Love it guys we can’t stop here we need 2 more attackers midfielder and James backup33@ChelseaFC Love it guys we can’t stop here we need 2 more attackers midfielder and James backupK@CFC_K12@ChelseaFC Now sign a midfielder and attacker asap23@ChelseaFC Now sign a midfielder and attacker asapIt remains to be seen if Chelsea fans will have their wishes granted before the transfer deadline. The Blues are reportedly in the market to sign at least one forward after completing Fofana's transfer.Thomas Tuchel's side have been heavily linked with a move for Barcelona's Pierre-Emerick Aubameyang in recent days. There have been suggestions that a €25 million deal is close to being agreed for the 33-year-old.The Stamford Bridge outfit are hopeful of getting a deal for Aubameyang across the line before the window closes.Chelsea have made a poor start to the seasonThe Blues' poor start to the 2022-23 season has only added to the fans' frustrations. The London giants have won only two of their five Premier League matches so far.Tuchel's side currently sit eighth in the table with seven points, having drawn one and lost two games. Their latest defeat came at the hands of Southampton at St. Mary's on Tuesday (August 30).Raheem Sterling opened the scoring for the visitors just 23 minutes into the game. However, Ralph Hasenhuttl's side went on to claim the win thanks to goals from Romeo Lavia and Adam Armstrong.Chelsea will now be looking to bounce back from their defeat when they host West Ham United on Saturday (September 3).