Borussia Dortmund coach Nuri Sahin said his side feared a "worst-case scenario" after Nico Schlotterbeck, the club's only fit centre-back, was stretchered off in Wednesday's home loss to Barcelona.

Dortmund's Nico Schlotterbeck reacts on a stretcher before he is carried off the pitch following an injury during the Champions League opening phase soccer match between Borussia Dortmund and FC ...