Is there any place you can get past results?
Whatever site you use has someone streaming the games on twitch...find the user and go back and watch the games that have already been streamed...
You can also if you have a gaming device sim the games yourself a number of times and get results that way(which I am sure what the books are doing to set the line)...
Then throw in different variables like what settings the user is using...Do they have updated rosters...Has the person moved certain personnel around etc...
There are also plenty of wanna be touts/scammers on these twitch channels trying to get you with whatever they can...Also the guys "claiming" they have an inside track on the sim results etc...And then people just flat out shit stirring and telling lies...
But be very wary of this type of betting...should ONLY be for shits and giggles and for whatever your min. bet is that you could lose easily and not care...To me it is like flipping a coin with a splash more entertainment...