Manchester United look set to part ways with Casemiro this summer, with the Saudi Pro League club Al Nassr interested in securing his signature. Even if Erik ten Hag is not to remain manager of Manchester United, one of his most expensive signings in Casemiro does not appear to have a future at the club. United may have thought they would have to take a hefty loss on the £60 million fee paid to sign him, but with Saudi sides notorious for splashing the cash on esteemed names, this may no longer be the case. So just how much could Manchester United get for Casemiro this summer if they were to s…