By Jude Summerfield A double from Mason Mount helped Chelsea record their fifth consecutive victory in all competitions with a 2-0 success at Aston Villa. Mount first pounced on an awful Tyrone Mings header to score the opener in the sixth minute before producing a swerving free kick from distance beyond Emiliano Martinez in the second half. Villa exerted pressure on Chelsea between the two goals and could have drawn level had it not been for the inspired performance of Blues goalkeeper Kepa Arrizabalaga, who produced an outstanding array of reflex saves to keep his side ahead. The visitors we…