| Squad cost: | 533.34M | 2017-18 fees: | 234.45M | |
| Total players: | 52 | Players in: | 10 | |
| Loaned out: | 23 | |||
| Available squad: | 29 |
| # | Name | Pos | Age | Hgt | Nat | Join | Cost | |
|---|---|---|---|---|---|---|---|---|
| 1 | Willy Caballero | GK | 36 | 1.86 | ARG | FREE | ||
| 13 | Thibaut Courtois | GK | 26 | 1.99 | BEL | |||
| 37 | Eduardo | GK | 35 | 1.88 | POR | 2016 | ? | |
| Matej Delac | GK | 25 | 1.90 | CRO | ||||
| 2 | Antonio Rudiger | D | 25 | 1.90 | GER | Jul | 31.5M | |
| 3 | Marcos Alonso | D | 27 | 1.89 | ESP | 2016 | 20.7M | |
| 24 | Gary Cahill | D | 32 | 1.93 | ENG | 7.56M | ||
| 27 | Andreas Christensen | D | 22 | 1.88 | DEN | |||
| 28 | Cesar Azpilicueta | D | 28 | 1.78 | ESP | 2012 | 7.92M | |
| 30 | David Luiz | D | 31 | 1.89 | BRA | 31.5M | ||
| 33 | Emerson | D | 23 | 1.76 | ITA | 18M | ||
| Ethan Ampadu | D | 17 | 1.82 | WAL | 2.52M | |||
| Wallace Oliveira | D | 24 | 1.75 | BRA | ||||
| Dujon Sterling | D | 18 | 1.86 | ENG | 2018 | |||
| 4 | Cesc Fabregas | M | 31 | 1.79 | ESP | 2014 | 29.7M | |
| 6 | Danny Drinkwater | M | 28 | 1.78 | ENG | Aug | 34.11M | |
| 7 | N'Golo Kante | M | 27 | 1.68 | FRA | 2016 | 32.22M | |
| 8 | Ross Barkley | M | 24 | 1.89 | ENG | 15.12M | ||
| 14 | Tiemoue Bakayoko | M | 23 | 1.89 | FRA | Jul | 36M | |
| 15 | Victor Moses | M | 27 | 1.77 | NGA | 2013 | 10.35M | |
| 21 | Davide Zappacosta | M | 26 | 1.82 | ITA | Aug | 22.5M | |
| Trevoh Chalobah | M | 18 | 1.92 | ENG | 2018 | |||
| Kyle Scott | M | 20 | 1.72 | USA | ||||
| 9 | Alvaro Morata | F | 25 | 1.87 | ESP | Jul | 59.4M | |
| 10 | Eden Hazard | F | 27 | 1.75 | BEL | 2012 | 31.5M | |
| 11 | Pedro | F | 30 | 1.67 | ESP | 2015 | 24.3M | |
| 18 | Olivier Giroud | F | 31 | 1.93 | FRA | Jan | 15.3M | |
| 22 | Willian | F | 29 | 1.75 | BRA | 31.95M | ||
| Callum Hudson-Odoi | F | 17 | 1.78 | ENG |
| Name | Pos | Age | Hgt | Nat | Join | Cost | At | |
|---|---|---|---|---|---|---|---|---|
| Jamal Blackman | GK | 24 | 1.99 | ENG | 2014 | Sheffield United | ||
| Brad Collins | GK | 21 | 1.84 | ENG | Forest Green Rovers | |||
| Jay Dasilva | D | 20 | 1.70 | ENG | 2.16M | Charlton Athletic | ||
| Ola Aina | D | 21 | 1.84 | NGA | Hull City | |||
| Jake Clarke-Salter | D | 20 | 1.88 | ENG | Sunderland | |||
| Michael Hector | D | 25 | 1.93 | JAM | Hull City | |||
| Tomas Kalas | D | 25 | 1.84 | CZE | 8.1M | Fulham | ||
| Todd Kane | D | 24 | 1.80 | ENG | Oxford United | |||
| Fikayo Tomori | D | 20 | 1.84 | ENG | 2017 | Hull City | ||
| Kurt Zouma | D | 23 | 1.90 | FRA | Stoke City | |||
| Marco van Ginkel | M | 25 | 1.86 | NED | 2013 | 8.46M | PSV Eindhoven | |
| Charly Musonda Jr. | M | 21 | 1.73 | BEL | 2017 | Celtic FC | ||
| Lewis Baker | M | 23 | 1.82 | ENG | Middlesbrough | |||
| Izzy Brown | M | 21 | 1.82 | ENG | 2017 | Brighton & Hove Albion | ||
| Jordan Houghton | M | 22 | 1.83 | ENG | Doncaster Rovers | |||
| Ruben Loftus-Cheek | M | 22 | 1.90 | ENG | 2015 | Crystal Palace | ||
| Kasey Palmer | M | 21 | 1.75 | JAM | 3.42M | Huddersfield Town | ||
| Kenedy | F | 22 | 1.82 | BRA | 7.2M | Newcastle United | ||
| Tammy Abraham | F | 20 | 1.96 | ENG | 2016 | Swansea City | ||
| Michy Batshuayi | F | 24 | 1.85 | BEL | 2016 | 35.1M | Borussia Dortmund | |
| Jeremie Boga | F | 21 | 1.74 | CIV | 2017 | Birmingham City | ||
| Lucas Piazon | F | 24 | 1.82 | BRA | 6.75M | Fulham FC | ||
| Ike Ugbo | F | 19 | 1.86 | CAN | Milton Keynes Dons |