It’s not too often a deal comes up that feels perfect for everyone involved. Mason Greenwood’s exit could meet that high standard. While Manchester United have reportedly turned down an opening offer of £20 million from Lazio, a transfer that could take Mason Greenwood away from Old Trafford permanently – while acting as a massive boost for the Red Devils’ finances – ticks almost every box imaginable. According to Gianluca di Marzio, Lazio are still pushing hard for Greenwood. The Italian giants are around £10 million short of United’s valuation so far but they are not giving up. Far from it. …