Overall:
Underdogs beat the spread 132 times (51.8%)
Favorites covered the spread 116 times (45.5%)
There were 7 pushes (2.7)
Last year was 136/113/7

Large Numbers:
The largest spread was 19.5 in week 8 and KC covered over the NYJ. Last year the NYJ were also part of the largest spread, but they covered last year.

The largest spread covered was 17, the NYJ covering against the LAR in week 15. J! E! T! S! Jets!

Common Numbers:
Again, the 3 point spread was the darling of Vegas with favorites covering 13 times and the underdog beating 16 times.

Odd Numbers:
The standout spread this year, for underdogs at least, was 3.5 where the underdogs beat 16 times and the favorites only managed to cover 8 times. Runner up was 6.5 points where this year the favorite covered 9 times to the underdogs beating 5 times.

Favorites:
A 3-way tie for first with Bal, Buf, and Sea all covering 9 times. KC was the worst at covering the spread, failing 8 times.

Underdogs:
NYG beat the spread 9 times, failing 5.
NYJ failed to beat the spread 10 times, but did manage to beat 6 times. J! E! T! S! Jets!

SF and...fuck those guys:
For the locals that care about "local" football, if you consider Vegas local now...

SF was 5 and 4 as the underdog and 2 and 5 as the favorite.
LV was 7 and 4 as the underdog and 2 and 3 as the favorite.