Chelsea could try to sign another defender before the transfer window closes. Last month, Chelsea brought in Tosin Adarabioyo from Fulham, but they may not be done there. Since then, the Blues have gone on to strengthen other areas of their squad, confirming the signing of Kiernan Dewsbury-Hall from Leicester City on Tuesday. They have also lured striker Marc Guiu to west London from Barcelona, with the 18-year-old unable to say no to the club’s project. Chelsea now want to see if another player is keen to make a similar move this summer. Chelsea targeting defenderChelsea are not lacking numbe…