Fast bowler Gus Atkinson Adds to the English team's Fitness Problems.
'Significant concern' for the touring side as Atkinson leaves the field with a hamstring injury.
The pace bowler further complicated the injury concerns plaguing England when he left the playing area on the second morning in the Melbourne Test versus the Australians.
Atkinson felt a problem in his left hamstring post-delivery of the fourth over at the MCG.
The touring camp reported the 27-year-old had experienced "tightness" and would spend time off the field to undergo evaluation "over the next few hours".
The series decider in this Ashes battle beginning on 4 January starts this coming Sunday.
The English side has previously lost strike bowlers Mark Wood with a knee problem and Jofra Archer with an abdominal strain on the current trip.
Matthew Fisher was brought into the squad to provide backup.
The seamer had a tough time during the first two matches, taking just a handful of scalps.
He was left out from the previous Test, only to be brought back for the Melbourne Test in the playing XI.
Surrey's Atkinson performed better in the fourth Test, bagging two scalps in Australia's first innings, and scoring 28 runs while batting among just a trio of English batsmen to reach double figures.
Post a single over in Australia's second innings, he returned for the second day's play and removed Scott Boland Scott Boland caught behind.
Unfortunately, towards the conclusion of the fifth over, he delivered a variation to Travis Head and immediately felt at his leg.
The English bowler returned to the side for the Boxing Day Test having missed the previous Test.
