ABERDEEN new boy Callum Roberts is out for “eight to ten weeks” with a hamstring injury, boss Jim Goodwin has revealed.

The 25-year-old attacking midfielder, who signed from Notts County last month, came on as a substitute in last weekend’s 4-1 cinch Premiership win over St Mirren at Pittodrie but had to go back off again after picking up the injury.

Goodwin was happy to confirm Hayden Coulson’s knock was not as bad as feared but had more gloomy news about Roberts, saying: “The scans for Hayden Coulson’s injury was better than first feared initially.

“This weekend is going to come too soon for him unfortunately but he will be back in the squad at the early part of next week and Callum Roberts unfortunately, his one is worse than we thought initially.

“And it looks as if Callum is going to be out for quite a significant period of time, it is looking at probably eight to 10 weeks I would imagine.”