Source: Team_Talk
Stock ruled out of Palace clash
The Wales midfielder struggled with the injury last season and was forced to undergo surgery, but the problem has now returned and is once again threatening to derail his campaign.Stock is to visit a specialist on Friday to determine what course of treatment he should take.Midfielder Martin Woods has a groin injury and defender Shelton Martis a hamstring problem and, although both are on the verge of resuming full training, neither will be involved against the Eagles in the Championship clash at the Keepmoat Stadium.Jason Shackell is back with parent club Wolves as he nurses a hernia problem, while Adam Lockwood (foot) is a long-term casualty.