Florian is the better fighter here.
His striking is better, his BJJ is better, he should be the bigger man (strangely...
) and he's the more experienced fighter.
And, Nunes doesn't have elite wrestling and that pretty much is Florian's kryptonite (Maynard, Sherk, Sanchez) ...... + BJ.
The only (big) X-factor for this fight is (of course), how the weight cut will affect Florian for this fight.
He looked pretty skinny (anorexic) when cutting weight for 155.
145 should be even tougher for his body.
He said he talked to expert nutritionists and they told him everything should be OK for him.
Florian should take this, if somehow his body doesn't shut down in the middle (or before) the fight.