Chelsea because of his treatment compared to other high-profile stars at the club.The midfielder, who has been at Stamford Bridge since he was just six years old, believes he is still being treated as a youth team player in comparison to mega-money stars brought into the club in recent years.
And the Daily Star Sunday understands if the England midfielder’s issues can’t be settled, then ultimately he would be prepared to leave.
A source close to the player said: “Mason is a top lad and thought of well within Chelsea, and is popular with the team. But he isn’t feeling appreciated anymore.“He’s been at Chelsea since he was a tiny lad, but despite coming up through the Academy, he doesn’t feel like he gets the same treatment or recognition as.
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