Newcastle United officials may well have taken note of what Virgil van Dijk said on Sunday. The Liverpool captain spoke to the media after the Reds’ 2-1 win over Chelsea, with Arne Slot’s side moving back to the top of the Premier League table. Liverpool’s bright start to the season comes at a time when they are facing up to the possibility of losing three of their biggest stars. Van Dijk, Mo Salah and Trent Alexander-Arnold are all in the final years of their contracts, which means they could potentially become free agents in the summer. Newcastle United are in a similar situation with Callum…