For example, in Super Bowl XXXIX, most Las Vegas casinos set the over–under for the score of the game at 46.0.
One variation of Under Over involves foam dice, two of which are thrown in the middle of the players; in another variation, two balls are thrown into a giant wheel consisting of twelve spaces of numbers ranging from 1–6.
[6][7][8] In theory, this means that the manager can set a zero value and adjust it later based on the number of incoming bets and/or factors that may affect the outcome of the game.
In practice, the initial value is based on both quantitative indicators (e.g., loss records, average points per game, etc.)
[9][10] To get reliable information about a team's scoring potential you have to look beyond that and take a long term view.