A full-blooded and fantastic Premier League contest had the ending it deserved, and Chelsea the three points we thoroughly merited.
Chelsea (3-4-3): Mendy; Chalobah, Thiago Silva, Rudiger; Azpilicueta (c), Loftus-Cheek (Barkley 83), Kovacic (Jorginho 73), Chilwell; Hudson-Odoi (Mount 65), Lukaku, Werner.
Unused subs Kepa, Alonso, Christensen, Saul, Havertz, Ziyech.
Scorers Chalobah 9, Werner 84, Chilwell 89
Booked Tuchel 43, Thiago Silva 55
Southampton (4-4-2): McCarthy; Livramento, Salisu, Bednarek, Walker-Peters; Walcott (Diallo h/t), Romeu, Ward-Prowse, Tella (Djenepo 73); Redmond, Armstrong.
Unused subs Forster, Lyanco, Perraud, Armstrong, Elyounoussi, Long, Adams
Scorer Ward-Prowse 61 (pen)
Booked Romeu 34, Salisu 90+1, Djenepo 90+5
Sent off Ward-Prowse 77
Referee Martin Atkinson
Crowd 40,109