First, there were links with Barcelona and Atletico Madrid. Then, Borussia Dortmund. But as one Manchester United player closes in on his long-discussed permanent departure from Old Trafford, the battle for his signature appears to have turned into a two-horse race with none of the aforementioned trio even getting out of the starting gates. The two clubs to make serious, cash bids for Mason Greenwood are not Barcelona or Atletico. But, rather, Lazio and Marseille. Marseille are leading the race and closing in on £27 million deal, per The Times. The chance to kick-start his career at a historic…