Alexis Mac Allister has been one of Liverpool’s most important players this season, yet the midfielder suffered an issue before joining up with Argentina for the international break. The 25-year-old suffered an injury in Liverpool’s 1-0 win against Crystal Palace, with Mac Allister dropped from Argentina’s starting XI that faced Venezuela last week as the former Brighton & Hove Albion star sat the game out on the bench. With Mac Allister in Argentina training, the injury isn’t as bad as first feared, with the Liverpool star still on international duty with the reigning FIFA World Cup champions…