Virgil van Dijk may be aiming to be the star of the show at Wembley in front of 90,000 fans again on Sunday. But he prepared for the big moment by sitting among a few dozen proud parents watching another member of the Van Dijk family taking centre stage. The Liverpool captain didn’t spend his Thursday night this week poring over videos of Newcastle striker Alexander Isak ahead of the Carabao Cup final at Wembley. Instead, the match winner from the Reds’ win over Chelsea in the same game last