Olympiakos midfielder Esteban Cambiasso has defended the performance of English clubs in Europe, saying the Premier League "is probably the hardest" to play in.
Despite Premier League clubs' financial advantage over all but a handful of their European counterparts, their dominance has waned over recent years to the extent that the competition could lose its fourth Champions League place in the coming seasons.
Olympiakos striker Alfred Finnbogason has claimed Arsenal "don't want to defend" after Tuesday's 3-2 win at the Emirates Stadium.
Arsenal have lost both their opening Champions League games in Group F so far and face a difficult task if they are to progress to the next round for a 17th consecutive season.
They had fallen behind against the run of play on 32 minutes when corner from the right was cut back to the edge of the penalty area, where Felipe Pardo drilled in a low shot that deflected in off...