'Significant concern' for the English camp as Atkinson leaves the field suffering a hamstring problem.
Gus Atkinson increased the fitness woes of the England squad upon exiting the field on the second morning of the fourth Ashes Test versus the Australians.
The right-arm seamer felt a problem in his left hamstring immediately following a delivery in his spell at the MCG.
Team management reported the 27-year-old reported "discomfort" and required time off the field for further assessment "in the coming hours".
The series decider in this Ashes battle at the SCG starts at the end of the week.
The English side has already lost key quicks one seamer to a knee injury and another paceman to a side strain on the current trip.
A replacement bowler was called up as cover for Wood.
His form was underwhelming early in the series, taking just a handful of scalps.
He was omitted for the Adelaide match, then recalled for the Boxing Day match to fill the void.
Atkinson improved at the MCG, taking two wickets in Australia's first innings, then making 28 as a batsman being one of only three English batsmen to get into double digits.
Post a single over in Australia's second innings, he returned on Saturday morning and dismissed the nightwatchman edging to the keeper.
Unfortunately, on the final ball of that over, he delivered a variation to Travis Head and immediately felt at his leg.
Gus Atkinson was brought back for the Melbourne match after being left out the Adelaide game.
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