Liverpool’s transfer business this summer has been slow to get going, to say the least, yet next year could be another firestorm entirely. Three key players in Trent Alexander-Arnold, Mohamed Salah and Virgil van Dijk all have their contracts coming to and end, with no current rumours suggesting whether or not the trio will pen new deals with Liverpool in the coming months. Moreover, Alexander-Arnold has been linked with a move to Real Madrid with Salah once again on Saudi Arabia’s radar, with Van Dijk also wanted by the Middle Eastern state as a potential superstar signing. And manager Arne S…