Chelsea surpass Aston Villa to double Mason Mount.
Chelsea beat Mason Mount to overtake Aston Villa
Potter replaced Thomas Tuchel at Stamford Bridge and had his fifth consecutive win in all competitions.
When keeper Emiliano Martinez deceived keeper Emiliano Martinez in the 65th minute, his chances of winning the game were dashed.
Victory leaves Chelsea in fourth place with 19 points from nine matches
Villa are under increasing pressure on 16th-placed Steven Gerrard, who has been taunted by Chelsea fans throughout the game
Keeping up with Jacob Ramsey's efforts produced excellent saves, as Villa launched a vigorous attack.
Mings's afternoon got worse when he gave away the foul which gave Mount the chance to size up a free kick
The England midfielder got plenty of movement on the ball but Martinez should have done more to keep it out.