Chelsea head coach Thomas Tuchel has challenged Ruben Loftus-Cheek to “use his full potential” after the midfielder was praised for his performance during Tuesday’s 1-0 win in Malmo. The academy graduate started only his second Champions League match, with his full debut in the competition occurring more than six years ago. Loftus-Cheek took time to make his mark on the Group H contest but created two great chances in Sweden and produced several other excellent touches to continue his encouraging recent form which has seen him start three games during the past month. “I was a bit worried in the first 15 minutes if Ruben can find another gear but I heard before it was his first Champions League match since 2015 from the start,” Tuchel said after Hakim Ziyech’s goal earned a narrow victory at Eleda Stadion. “Yeah, I think we can give the boys credit sometimes to be maybe nervous and find their way into the match. I am happy he fought his way through and in the moment it is symbolic ...