College Basketball Odds and Point Spreads to Keep NCAA College Basketball Betting Action Divided in Half: Las Vegas' odds makers are masters at using NCAA lines and NCAA point spreads to keep betting action divided in half. By making adjustments in a given line or point spread odds makers can sway large numbers of sports bettors who have not yet made a decision on which team to bet on in a game to place their bet on the team that has "lesser action." More College Basketball Betting Info