Sentence:  But Chelsea, who left Didier Drogba on the <WSD>bench</WSD> as coach Carlo Ancelotti favoured Fernando Torres, staged a stirring fightback to move up to fourth and keep United in their sights on a night when nothing other than victory would have kept the Blues in contention. 
Meaning of the word marked with <WSD> tags:  The place where players (substitutes) and coaches sit when not playing.