By Jamie Spencer Whether or not Virgil van Dijk signs a new contract that will keep him at Liverpool beyond the end of the upcoming 2024/25 season, the towering Reds captain will shortly celebrate his 33rd birthday and time will dictate that he doesn’t have that much longer left at the top. Van Dijk has been an invaluable servant to Liverpool ever since he became the club’s then record signing with a £75m transfer from Southampton in January 2018. Within six months, he was playing in the Champions League final. A year later, he won it, and a year after that Liverpool ended a 30-year wait to be…