where does Nate go from here?

Underground
1

Do we even know what weight class he's fighting in? 

Rumors had it if he won a title shot was next (at either LW or WW). But the fight was so close it's hard to count it against Diaz.

I didn't watch the ppv. Was anything mentioned about Nate's future? 

2

Probably suspension for smoking dope right after the fight. Phone Post 3.0

3

the bank

4

Stockton Phone Post 3.0

5

Orthopedist, imo Phone Post 3.0

6

Rematch with Connor

Good money was paid off to bribe the judges to secure this very lucrative business opportunity Phone Post 3.0