Paceman Gus Atkinson Adds to the English team's Fitness Worries.
'Serious blow' for England as Atkinson goes off due to a hamstring issue.
The English seamer further complicated England's injury problems upon exiting the playing area on the second morning of the Boxing Day Test in the Ashes series.
The pace bowler experienced discomfort in his left leg after the final ball that he bowled at the MCG.
The touring camp reported the 27-year-old reported "discomfort" and required time away from the action for further assessment "during the day".
The concluding match of the tour beginning on 4 January gets underway at the end of the week.
The English side has already lost fast bowlers one seamer due to knee trouble and another paceman to a side strain during this series.
Matthew Fisher was called up to provide backup.
Atkinson struggled in the opening two Tests, managing only three wickets.
He was omitted for the Adelaide match, before being recalled for the fourth Test as Archer's replacement.
Surrey's Atkinson performed better in the fourth Test, taking two wickets during the host's first knock, and scoring 28 runs with the bat as one of just three England players who passed ten runs.
Post a single over at the end of day one, he returned for the second day's play and dismissed the nightwatchman Scott Boland caught behind.
Yet, on the final ball of that over, he sent down a change of pace to Travis Head and immediately felt at his leg.
The English bowler was recalled for the Boxing Day Test following his omission of the third.
