United are out of reach, and it will take a monumental collapse from Newcastle to catch them.
The max we can get is 71, Newcastle then needs 16 points from 24 to get to 72.
So, even if we are perfect in last 7 games and get maximum points, I can't see Newcastle dropping that many points.
Now if they lose their next 2 games against Spurs and Everton, i'll start to believe, but it's out of our hands.
Having said that, based on Newcastle and Man U current ppg, after 38 games Newcastle would have 70 points and Man U 74.