Team News
Huddersfield: The hosts will make a late decision on whether to play loanee Isaac Mbenza, who joined on deadline day, while new signing Erik Durm won't be risked.
Chelsea: Kovacic, Jorginho and Kepa Arrizabalaga are set to make their Chelsea debuts.
World Cup winners N'Golo Kante and Olivier Giroud, Belgium star Eden Hazard and England defender Gary Cahill come into contention after taking part in training this week.
Huddersfield Town possible XI: Lossl, Jorgensen, Schindler, Kongolo, Hadergjonaj, Lowe, Hogg, Mooy, Billing, Pritchard, Depoitre.
Chelsea possible XI: Kepa, Alonso, Luiz, Rudiger, Azpilicueta, Jorginho, Barkley, Kante, Hazard, Pedro, Morata.
Head-to-head
Huddersfield's most recent league win against Chelsea was in a Division Two game at Stamford Bridge in March 1963.
They last beat them in the top flight in October 1954, winning 1-0 at Leeds Road. Despite the defeat, Chelsea ended that season by winning their first league title.
Huddersfield drew 1-1 away at Stamford Bridge last season as they just survived relegation.
Did you know?
Huddersfield have lost 10 Premier League games in 2018, more than any other side.Laurent Depoitre has scored both of Huddersfield's Premier League goals against Chelsea.
Their only win in the final 10 league games last season came against Watford in April (D4, L5)
The Blues lost to Burnley in their first fixture last year - it's their only season-opening league defeat in the past 19 seasons (W15, D3).
Maurizio Sarri lost his opening league fixture in his two previous top-flight jobs, with Empoli in 2014 and Napoli in 2015.
Score prediction: 0-2