The Europa League continued its effort to keep up with the Champions League with another set of fascinating fixtures this week.
Arsenal managed to overcome a first-leg defeat to Rennes and Chelsea joined them in the quarter-finals with a win over Dynamo Kiev.
Robin van Persie understands Arsenal's frustrations over his controversial switch to Manchester United, but has no regrets either.
There was also progression for Valencia and Villarreal to keep up Spain’s contingent, although Slavia Prague knocked out Sevilla.
Joining those sides were Benfica and Eintracht Frankfurt. So what did we learned from this week’s games?