Complex sentence: This appeared to be to Liverpool's advantage, as their counter-attacking style of play had been better suited to away matches throughout the season; however, they lost the second leg 4--2 and were eliminated 4--3 on aggregate.
Split into simpler sentences: This appeared to be to Liverpool's advantage, as their counter-attacking style of play had been better suited to away matches throughout the season. However, they lost the second leg 4--2 and were eliminated 4--3 on aggregate.