Seamer Gus Atkinson Exacerbates the English team's Fitness Worries.
'Significant concern' for the touring side as Atkinson leaves the field suffering a hamstring problem.
The pace bowler further complicated the injury concerns plaguing England when he left the playing area during Saturday's play in the Melbourne Test versus the Australians.
The right-arm seamer felt a problem in his hamstring post-delivery that he bowled at the MCG.
The England team indicated the 27-year-old reported "discomfort" and would spend time on the sidelines in order to be assessed "over the next few hours".
The concluding match of the series at the SCG gets underway at the end of the week.
England have already lost key quicks one seamer with a knee problem and Jofra Archer to a side strain on this Ashes tour.
A replacement bowler was added to the party as cover for Wood.
Atkinson struggled early in the series, managing only a handful of scalps.
He was dropped from the previous Test, then recalled for the Boxing Day match to fill the void.
Atkinson showed better form in Melbourne, claiming a couple of wickets in Australia's first innings, before adding 28 with the bat being one of only three English batsmen who passed ten runs.
Following a brief spell in Australia's second innings, he returned on Saturday morning and removed Scott Boland Scott Boland caught behind.
Yet, towards the conclusion of his spell, he delivered a variation to the batsman and immediately felt his left hamstring.
Gus Atkinson was recalled for the fourth Ashes Test having missed the previous Test.
