Two fine finishes inside 12 minutes from Suarez put Barca in control before Messi rounded off a fine team move for Barca's third. It could have been even worse for Valencia as Neymar hit the post from the penalty spot after Shkodran Mustafi was sent-off for bringing down Messi inside the area.

However, Messi and Suarez both added two more after the break to make next week's second-leg at the Mestalla a formality.

"It is one the best games we have played all season in every sense," Suarez told Canal Plus.
     
"From the first minute to the last we showed a great attitude, we were good on the ball and we have a good advantage."

The Cup had been Neville's one refuge during a winless run of eight league games since taking charge in December, but Valencia were blown away by a Barca side back to their best and on the verge of a fifth final in six seasons.

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