Fast bowler Gus Atkinson Compounds the English team's Fitness Worries.
'Significant concern' for England after Atkinson goes off suffering a hamstring problem.
The English seamer added to England's injury problems when he left the field during Saturday's play of the Boxing Day Test versus the Australians.
The pace bowler experienced discomfort in his left hamstring after the final ball in his spell on Saturday.
The England team reported Atkinson felt some "soreness" and required time on the sidelines to undergo evaluation "over the next few hours".
The series decider of the tour in Sydney starts this coming Sunday.
England have already lost strike bowlers one seamer due to knee trouble and another paceman to a side strain during this series.
Matthew Fisher was brought into the squad to provide backup.
His form was underwhelming early in the series, taking just a handful of scalps.
He was omitted for the Adelaide match, before being recalled for the fourth Test in the playing XI.
Atkinson showed better form in Melbourne, bagging two scalps during the host's first knock, and scoring 28 runs while batting being one of only three England players to reach double figures.
Post a single over in Australia's second innings, he came back on Saturday morning and removed Scott Boland edging to the keeper.
Unfortunately, on the final ball of that over, he sent down a slower ball to the batsman and immediately felt his left hamstring.
Gus Atkinson was brought back for the Melbourne match after being left out the Adelaide game.
