Paceman Gus Atkinson Exacerbates the English team's Fitness Problems.
'Major setback' for the touring side as Atkinson goes off with a hamstring injury.
The pace bowler further complicated the injury concerns plaguing England when he left the field on the second morning of the Boxing Day Test against Australia.
The right-arm seamer experienced discomfort in his left leg post-delivery that he bowled at the MCG.
The touring camp reported the 27-year-old reported "discomfort" and was to take time on the sidelines to undergo evaluation "over the next few hours".
The series decider in this Ashes battle beginning on 4 January gets underway at the end of the week.
The visitors have been without key quicks one seamer with a knee problem and another paceman because of a side injury on this Ashes tour.
A replacement bowler was brought into the squad as injury reinforcement.
Atkinson struggled early in the series, claiming a mere three wickets.
He was left out of the third Test, then recalled for the Melbourne Test in the playing XI.
Surrey's Atkinson improved at the MCG, bagging two scalps during the host's first knock, and scoring 28 runs with the bat being one of only three teammates who passed ten runs.
After bowling one over at the end of day one, he came back on Saturday morning and had nightwatchman taken by the wicketkeeper.
However, at the end of his spell, he delivered a slower ball to the batsman and promptly felt at his leg.
The English bowler was recalled for the Boxing Day Test having missed the previous Test.
