Seamer Gus Atkinson Adds to England's Injury Concerns.
'Serious blow' for England after Atkinson leaves the field due to a hamstring issue.
The pace bowler increased the injury concerns plaguing England upon exiting the ground on the second morning in the Melbourne Test in the Ashes series.
The right-arm seamer felt a problem in his left leg after the final ball in his spell at the MCG.
The touring camp reported Atkinson felt some "soreness" and required time off the field for further assessment "during the day".
The concluding match of the series at the SCG starts on Sunday, 4 January.
England have previously lost key quicks one seamer due to knee trouble and Jofra Archer with an abdominal strain on this Ashes tour.
Matthew Fisher was brought into the squad as cover for Wood.
Atkinson struggled in the opening two Tests, managing only three wickets.
He was dropped for the Adelaide match, only to be brought back for the Boxing Day match in the playing XI.
Atkinson performed better in the fourth Test, taking two wickets during the host's first knock, and scoring 28 runs with the bat among just a trio of England players who passed ten runs.
Following a brief spell in Australia's second innings, he resumed the next day and dismissed the nightwatchman Scott Boland caught behind.
Yet, at the end of the fifth over, he bowled a change of pace to the batsman and promptly felt at his leg.
Atkinson returned to the side for the Melbourne match following his omission the previous Test.
