If Manchester United are looking for more reasons to sign Adam Wharton next summer, Jack Grealish has given them one. That's after the Everton winger came out firing in his admiration of the Crystal Palace midfielder. Ruben Amorim is expected to change his engine room options next summer, with Casemiro and Kobbie Mainoo potentially heading for the exit . And the Daily Star has reported a £60million offer for Wharton is on the cards after Amorim took a liking to the England international.