Seamer Gus Atkinson Adds to the English team's Fitness Concerns.
'Significant concern' for the English camp as Atkinson goes off with a hamstring injury.
The pace bowler added to England's injury problems when he left the playing area on the second morning of the Boxing Day Test versus the Australians.
The right-arm seamer felt a problem in his hamstring post-delivery that he bowled on Saturday.
The England team reported Atkinson felt some "soreness" and required time off the field for further assessment "in the coming hours".
The final Test of the tour in Sydney starts this coming Sunday.
England have already lost strike bowlers Mark Wood to a knee injury and Jofra Archer to a side strain during this series.
A replacement bowler was brought into the squad as injury reinforcement.
His form was underwhelming during the first two matches, claiming a mere a handful of scalps.
He was dropped from the previous Test, before being recalled for the fourth Test to fill the void.
Surrey's Atkinson showed better form in Melbourne, claiming a couple of wickets during the host's first knock, and scoring 28 runs as a batsman being one of only three English batsmen to get into double digits.
Following a brief spell at the end of day one, he came back for the second day's play and removed Scott Boland edging to the keeper.
Yet, at the end of that over, he delivered a variation to Travis Head and immediately felt for his hamstring.
The English bowler was recalled for the Boxing Day Test following his omission the Adelaide game.
