Mason Greenwood transfer: Man Utd's mammoth sell-on clause revealed as transfer agreed
![Mason Greenwood transfer: Man Utd's mammoth sell-on clause revealed as transfer agreed](https://i2-prod.mirror.co.uk/incoming/article33195159.ece/ALTERNATES/s615/1_Brentford-v-Manchester-United-Premier-League.jpg)
Mason Greenwood is closing in on a permanent transfer move to Marseille after Manchester United decided to cash in on the forward, who hasn't played for the Red Devils since January 2022