What do Liverpool still need to solve?

[BBC][Getty Images]Up until the weekend, the question was very much who would partner Virgil van Dijk at centre-back for Liverpool's first Premier League game away at Newcastle on Sunday.But after his impressive performance in the friendly against Como on debut - when he scored too - Jeremy Jacquet looks set to start alongside the Liverpool skipper.That means the biggest issue still outstanding is how Liverpool plan to make up the goals and assists they have lost from Mohamed Salah. When it come