Fast bowler Gus Atkinson Adds to England's Injury Concerns.
'Significant concern' for England after Atkinson leaves the field with a hamstring injury.
The English seamer added to England's injury problems upon exiting the field early on day two of the fourth Ashes Test in the Ashes series.
The right-arm seamer felt a problem in his left hamstring immediately following a delivery that he bowled on Saturday.
The touring camp indicated Atkinson reported "discomfort" and required time away from the action to undergo evaluation "in the coming hours".
The series decider of the series beginning on 4 January starts on Sunday, 4 January.
England have been without fast bowlers one seamer with a knee problem and Jofra Archer because of a side injury on this Ashes tour.
Matthew Fisher was called up as injury reinforcement.
Atkinson struggled in the opening two Tests, managing only a handful of scalps.
He was left out from the previous Test, only to be brought back for the fourth Test in the playing XI.
Atkinson showed better form in Melbourne, taking two wickets during the host's first knock, then making 28 while batting among just a trio of teammates who passed ten runs.
Following a brief spell in Australia's second innings, he returned on Saturday morning and removed Scott Boland edging to the keeper.
However, towards the conclusion of his spell, he delivered a change of pace to the batsman and immediately felt his left hamstring.
Gus Atkinson was recalled for the fourth Ashes Test following his omission the previous Test.
