Chelsea are aiming to sign another teenager before the transfer window closes by the looks of it. This summer, Chelsea have already landed 18-year-old Marc Guiu from Barcelona. They have also agreed a deal with Palmeiras to sign Estevao Willian. However, with Estevao still 17, the winger will not be able to arrive at Stamford Bridge until next summer. At the same time, Chelsea have been able to strengthen their first team. For example, they confirmed the signing of Filip Jorgensen from Villarreal earlier this week. Chelsea fans were impressed with Jorgensen after he made his unofficial debut a…