Complex sentence: After Euro 2008, defensive stalwart Lilian Thuram retired from the team; to accommodate this, Domenech decided to move Abidal into the centre-back position, which allowed Evra to take over as the starting left-back.
Split into simpler sentences: After Euro 2008, defensive stalwart Lilian Thuram retired from the team. To mitigate his absence, Domenech moved Abidal into the centre-back position, allowing Evra to take over as starting left-back.