Complex sentence: After a succesful season with Alaves Gerard returned to Valencia CF helping the club reach the Champions League final, and came to be regarded as one of the top players in Spain and in the Champions League.
Split into simpler sentences: After a succesful season with Alaves, Gerard returned to Valencia CF helping the club reach the Champions League final. During this time he came to be regarded as one of the top players in Spain and in the Champions League.