Manchester United are looking for a Casemiro replacement and one of the finest ball-winning midfielders in La Liga is likely to be available for absolutely nothing this summer. If the early signs are anything to go by, the revamped approach to recruitment in the Ineos era will revolve around exciting, up-and-coming and potentially homegrown talent. Jarrad Branthwaite and Michael Olise are already emerging as leading targets, while incoming technical director Dan Ashworth reportedly is a big fan of Crystal Palace’s England international centre-half Marc Guehi. But if Manchester United’s new dec…