Ipswich Town boss Kieran McKenna says striker George Hirst has a knee injury which will need further examination.
The popular hitman didn't travel to Germany for last week's training camp and friendly games, having picked up the injury in the defeat to Fortuna Dusseldorf in Suffolk last weekend.
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And McKenna says they don't know when the 25-year-old - who bagged seven goals in 29 games last season having missed significant time with a hamstring injury - will return.
“George has got an issue, a knock from the game last weekend,” the manager explained after yesterday's friendly win over Hoffenheim.
READ MORE: Alex Jones' verdict on Hoffenheim win
“He’s not been with us this week, he’s seeing some specialists and we can’t update on the definite timeline yet.
“We will do as soon as we can.”
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