Liverpool cast their net especially wide last summer while attempting to revamp their whole midfield. A lack of investment over the years from the Reds meant that they were left with plenty to do once the market opened. In the end, things went remarkably well. Alexis Mac Allister has been a monumental success, Dominik Szoboszlai has done well, there’s more to come from Ryan Gravenberch and Wataru Endo has been a real surprise. Of the four, Endo is perhaps the one who has genuine question marks over his short-term future at Anfield. As Liverpool looked to bring in an elite defensive midfielder,…