Valencia bossed the first half at a packed Mestalla as the hosts chased down a 1-0 deficit but their hopes of a comeback were dashed when Brazilian Coutinho slid in to turn home a cross from his old Liverpool team mate Luis Suarez in the 49th minute.

Coutinho, who joined Barca from Liverpool for a club record 142 million pounds ($197.66 million) in January, had been on the pitch less than three minutes when he scored, while Ivan Rakitic stretched the vistors' lead eight minutes from time.

Barcelona have lifted the trophy for the last three years and face Sevilla in the final on April 21, a re-run of the 2016 showpiece which the Catalans won 2-0 after extra time. Sevilla beat Leganes 2-0 on Wednesday to advance 3-1 on aggregate.

Barca reach King's Cup final again as Coutinho strikes against Valencia

Barcelona reached the King's Cup final for a record fifth year in a row on Thursday with a 2-0 second leg win at Valencia in which Philippe Coutinho scored his first goal for the club as they secured a 3-0 aggregate semi-final success.

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