Chelsea are without N'Golo Kante, Victor Moses (both hamstring) and Danny Drinkwater (calf).
Watford remain without Younes Kaboul and Sebastian Prodl (both thigh), plus long-term absentees Craig Cathcart, Nathaniel Chalobah and Isaac Success (all knee).
Did you know?
Watford have not won against Chelsea at Stamford Bridge since 1986.
Chelsea have lost three of their first eight matches this season. No team has ever lost this many of their opening eight matches and still won the Premier League title.
The Hornets have won 10 points from a possible 12 away from home this season (W3 D1 L0).
Michy Batshuayi scored in both meetings with Watford last season, while Etienne Capoue was the only player in 2016/17 to score both home and away versus Chelsea.
What the managers say
Antonio Conte:"For sure, tomorrow the game will be very tough because Watford are a good team, they are in a good position in the table and have enthusiasm."
Marco Silva: “We did really in the first eight matches but it's too early. Everything changes fast and you need to keep going and treat the next game as the most important."
See: Kaboul and Prodl return dates
Referee: Jonathan Moss
Assistants: Simon Bennett, Andy Halliday
Fourth official: Andre Marriner