Complex sentence: Aurélio went on to establish himself as Liverpool's first choice left-back but was again beset with injury in the team's 1--1 draw with Chelsea in a Champions League semi-final first leg clash.
Split into simpler sentences: Aurélio went on to establish himself as Liverpool's first choice left-back but was again beset by injury. In the team's 1--1 draw with Chelsea in a Champions League semi-final first leg clash.