Help with creating a model

So I'm stuck in the early stages of trying to create my first model...

I've made a model which analyzes Oliver’s 4 factors on offense and defense (using data from bball reference). So now I can look at two teams (ie. Raptors and Twolves) and see a single "score" that i got from using the 8 factors (weighted the 4 offensive factors to get a "offensive rating" and similarly weighted the 4 defensive categories to get a "defensive rating". I then found the difference to get a "overall rating category".

The problem is, i don't know what to do next. How do I move from this to trying to predict a final score??? For example, if the raptors overall rating is 10.3 and the Twolves is 9.8, what can I do next with this data? Ah i wish i knew more about predictive modeling. I'd super appreciate if anyone can push me in the right direction if you have created your own model in the past!

Thank You!

Wow.. Interesting.  I want to but have yet to build a model for all the sports that I wager on.  Anyways, back to your original question, good luck with somebody helping you.  Most of the posts in the forums are like "Team A on "x" night" and they end up having a short response like "Titans +3."  That's it.  Nothing else, no explanation in the thread.   Kinda frustrating at times because you want to see people's angle and logic as to how they derived their solution to an event.  Makes me think that the majority of people in this forum fits your typical sterotype of "Joe Sixpack" watching and obtaining their information from ESPN.

BOL man with your programming..  or  when you get a final outlier score of 56-981 for a basketball game..