Blackburn Rovers captain Ryan Nelsen may be forced to go under the knife.

Nelsen is going for x-rays on a worrying injury that could wreck his season - and hurt Mark Hughes's bid for Europe, says the Mirror.

The New Zealand centre-half is being hampered by an old hamstring problem.

Nelsen, who was out of Blackburn's side for almost a year when the rare condition first appeared, is anxiously waiting on results but may need a further operation.

Hughes is concerned as Nelsen is a rock in his side as they chase a top-six finish. The Rovers chief also wants the trouble sorted as the Kiwi has been unable to train properly and his game is suffering.