Sportsbooks have not yet put out their over/under win totals for teams yet, but Kevin Pelton at ESPN is taking a crack at predicting how teams will do based on projected real plus-minus. You’ll need an ESPN insider subscription to read the whole article which can be found here.
To see how projecting playing time for players was determined let’s have a look at Pelton’s words,
Like last season, I've put together projected playing time based on a formula that estimates games missed based on the number missed over the past three seasons (adjusted for any offseason injuries/suspensions) and my own guesses at how rotations will shake out.