Chelsea are reportedly interested in signing one 19-year-old winger this summer. However, Chelsea do not look to be the only club keen on his signature. It has been another week where the Blues have managed to bring a new player through the door. On Friday, the club confirmed the signing of Renato Veiga from Basel. Their transfer business does not seem finished yet, though. It has been claimed that Chelsea are looking at Lille’s Jonathan David. As well as the striker, another player from Ligue 1 also appears to be on their radar this summer. Chelsea in transfer battle with Europe’s eliteAfter …