With the transfer window still open, Chelsea and Liverpool both look keen to strengthen their attacks. Chelsea have been trying to all summer but have not had too much success. They have managed to bring in Marc Guiu. The striker started in his side’s 4-1 loss to Celtic on Saturday, and Enzo Maresca is expecting Guiu to stay in west London. However, the Spaniard is still just 18, meaning that Chelsea have not signed a proven centre-forward yet, while they have also failed to land a winger. Both the Blues and their rivals Liverpool, though, appear to have interest in one Premier League wide man…