Seamer Gus Atkinson Adds to the English team's Fitness Concerns.
'Major setback' for the English camp after Atkinson leaves the field due to a hamstring issue.
The English seamer added to the injury concerns plaguing England when he left the field during Saturday's play in the Melbourne Test versus the Australians.
The pace bowler experienced discomfort in his hamstring immediately following a delivery of the fourth over during the morning session.
The England team reported the 27-year-old had experienced "tightness" and required time on the sidelines for further assessment "over the next few hours".
The series decider of the tour in Sydney gets underway this coming Sunday.
England have been without 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 as cover for Wood.
The seamer had a tough time in the opening two Tests, managing only a handful of scalps.
He was dropped from the previous Test, only to be brought back for the Melbourne Test in the playing XI.
Atkinson improved at the MCG, taking two wickets in Australia's first innings, then making 28 while batting being one of only three England players to reach double figures.
Following a brief spell in Australia's second innings, he came back the next day and removed Scott Boland Scott Boland caught behind.
Unfortunately, at the end of the fifth over, he delivered a variation to the batsman and promptly felt for his hamstring.
The English bowler was recalled for the Boxing Day Test following his omission of the third.
