This is the biggest scam ever. Basically there is a 50/50 chance this guy doesn't look like a scammer to everyone even though it is hard to not already.
It migght not be a scam , I think the op will have to prove that , by continually offering the tips for a while right now
He is already 2:0 win/loss ratio, which may be beginners luck. Hard to believe NBA is fixed, but t will be easy to prove if OP posts his predictions for the whole moth of March.