Chelsea's star striker Sam Kerr suffers ACL injury

Chelsea's Sam Kerr has sustained an anterior cruciate ligament injury during the club's warm weather training in Morocco.

The Blues and Australia striker will begin rehabilitation with the club's medical team and is likely to be out for an extended period.

Kerr's injury is a big loss to Emma Hayes' side who are looking to win their fourth successive Women's Super League title.

The Matildas captain has scored four goals in eight games for the Blues in the WSL this season and she has dominated in the Champions League, scoring five goals in four.

Kerr picked up a calf injury on the eve of Australia's World Cup opener against the Republic of Ireland last July but returned for the last-16 defeat of Denmark.

The Matildas were beaten in the semis by England.