Valencia on brink, Juve edge win
Valencia went down to a 3-0 defeat to Basel in the Europa League quarter-final, while Juventus grabbed a 1-0 win at Lyon on Thursday.
Argentinian midfielder Delgado, in his second spell at the club, was allowed too much space to unleash a fine shot from 20 yards into the bottom left corner for the 34th-minute opener.
Four minutes later Valencia failed to track him as the number 10 jabbed home Valentin Stocker's superb defence-bisecting cross from the left.
Stocker added the third in stoppage time, charging from the halfway line and cracking in a powerful strike.
The match at St Jakob-Park was played behind closed doors as a result of the trouble among Basle fans which caused the second leg of their 2-1 aggregate victory over Salzburg in the last round to be suspended for 13 minutes.
Valencia won the tournament in its previous guise 10 years ago, and they face seemingly the stiffest task of the teams who remain in this year's competition to reach the final four.
as the tournament favourites edged a tight tussle in France. Bonucci netted in the 85th minute, applying a powerful finish after a scramble for the ball inside the penalty area.
, earned by a fine header from Eliaquim Mangala in the 31st minute. Porto will be without defensive midfielder Fernando for the second leg in Spain, after he was sent off for two late yellow-card offences.
Eduardo Salvio put Benfica in front after 48 minutes with a smart volleyed finish after goalkeeper Esteban palmed out a shot from Oscar Cardozo.