Former England captain Alastair Cook says Jofra Archer's latest elbow injury is a 'game-changer' for the fast bowler's career.
The 26-year-old has suffered a fresh stress fracture to his right elbow, ruling him out of the trip Down Under as well as the Twenty20 World Cup.
Archer was seen as vital to England's chances of winning the urn back after his searing pace caused Australia problems in the 2019 series.
Cook fears there may be a lasting effect on Archer's pace.
Cook said on BBC Test Match Special: 'Huge news and very worrying for him.