I know there is very little separation, but it is awfully interesting that United is sitting in 4th.
Not really, considering their opponents. They've had the easiest start out of the top 6 and are well off the pace for where "they should be" considering who they've had to play- this is where the aplt comes on handy, at least until the new year imo
http://i.imgur.com/bM2XQvw.png
What is this?
It's an alternate way to measure performance vs expect outcome.
Basically the premise is that a title will on average get 90pts, which they achieve by:
winning all home games: 19x3=57
drawing last years top 12 away: 12x1=12
winning against the bottom 7 teams (incl. promoted teams): 7x3=21
Top 4 finish is generally around 71pts.
Teams are assessed how they do against
par. A loss at home against any team results in a -3 score, a draw -2, losing on the road could either be a -1 or -3 depending on opponent. You gain advantage by beating the better teams on the road.