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[mvossman]

Nope. Luka is +3.9 on/off, THJ +2.9. 

The reason THJ has had high numbers is because so many of his minutes have come with JG (+11.5 JG&THJ) and with Wood (+8.6 Wood&THJ) and with Luka (+8.3 Luka&THJ).

On/off doesn't lie, you just have to look at the whole team and lineup dynamics to understand it. THJ is the ultimate coat-tail-rider this year in regard to on/off.

If by "does not lie" you mean that you have to take into account all of the different combinations that player has played with, and all the combinations those players have played with, and all the players that player has played against, and all the players those players have played with and against, and then the random luck of things like the high variance 3 point percentage of the other 9 players on the court, then maybe it does tell all.  But its not easy to dig that deeply and most folks either just quote the player on/off number or at best give some additional high level stuff like you just did.  

You can make similar arguments for Dinwiddie that he has been dragged down by playing with starters who have really struggled (McGee, Bullock, even Dorian) and he is probably the only player to play just about every minute Luka was not on the court.  

I'm not saying there is not value to these numbers and moreso when you look at the next layer, but there is still a whole of noise that is hard to filter out.  There is a reason the best advanced stats cannot rely solely on on/off and have to use some kind of priors to filter out that noise.

Also, I was actually looking at net rating instead of on/off.  I'm surprised they could be out of sync with each other from an ordering standpoint (you would think if a guy has a higher net rating than a teammate, he would also have a higher on/off).