Seamer Gus Atkinson Compounds England's Injury Worries.
'Serious blow' for England as Atkinson goes off with a hamstring injury.
The pace bowler increased the injury concerns plaguing England after leaving the ground early on day two of the Boxing Day Test against Australia.
The right-arm seamer pulled up with his left leg after the final ball that he bowled at the MCG.
Team management indicated Atkinson felt some "soreness" and required time on the sidelines for further assessment "in the coming hours".
The concluding match of the series beginning on 4 January begins this coming Sunday.
The English side has previously lost strike bowlers one seamer with a knee problem and Jofra Archer because of a side injury on this Ashes tour.
Matthew Fisher was brought into the squad as cover for Wood.
Atkinson struggled in the opening two Tests, taking just three wickets.
He was omitted for the Adelaide match, then recalled for the Melbourne Test in the playing XI.
The county bowler improved at the MCG, claiming a couple of wickets in Australia's first innings, then making 28 with the bat as one of just three teammates who passed ten runs.
After bowling one over in Australia's second innings, he came back on Saturday morning and removed Scott Boland edging to the keeper.
Yet, on the final ball of the fifth over, he delivered a variation to the batsman and immediately felt for his hamstring.
Gus Atkinson was recalled for the Melbourne match following his omission the Adelaide game.