NBA Basketball Betting USA Online Sportsbooks. If you like basketball you may be looking for the best NBA Betting Sites For USA Players, rest assured we are dedicated to giving our readers the best reviews on the top-rated US Sportsbooks and information about the best NBA Bet. For instance if The Brooklyn Nets are going to square off against The NY Knicks we have excellent information for you. We help you find out your information as if you are betting live now. The following is based on the example with The Knicks vs. The Nets. The Pro Basketball Wagering lines opened up with The Brooklyn Nets laying -3.5 points on The New York Knicks. The Players betting the over/under were seeing the total listed at 192.5 when the lines first opened. As we look at the Live Pro Basketball Wagering Lines we can see that The Sacramento Kings are laying two points on The Suns. The Total Bettors are currently looking at the total listed at one hundred ninety four.