A good day for Antonio Conte and his use of two competing centre forwards. Both scored to win this game, Olivier Giroud courtesy of dancing feet just after half-time and Alvaro Morata with his head just 86 seconds after replacing the Frenchman late in the game.
This was not such a good day for the VAR system, however.
With the score at 1-0 with just under 15 minutes to go and Southampton finally exerting pressure on the Chelsea defence, goalkeeper Willy Caballero dropped the ball over the goal line under pressure from Charlie Austin.
Referee Martin Atkinson immediately blew for a foul but replays suggested there had not been one. It seemed strange that the VAR official didn’t feel the need to get involved. A huge moment in the afternoon had come and gone in an instant.
Alvaro Morata came off the bench to guarantee the victory with a towering header at the back post
The Spaniard headed Cesar Azpilicueta’s delightful cross into the far corner of the net in front of the Chelsea supporters.