American Football Betting
and how it works.
There are three areas where American football (or a version)
is played: Professional, Semi-professional, and Amateur. While
betting on each type of football game takes place; it is at the
professional and college (amateur) levels where the majority of
the wagering occurs.
An Overview
Wagers on American Football are based on two basics betting
formats: the ‘spread’ and the ‘over-under’. While other types
of exotic bets can be made, the majority of wagers on football
fall into these two categories.
The Spread
In American football each game is assigned a point spread
that represents the difference in points a team will win (or
lose) by. While a straight bet can be made on a simple win or
lose bases, this is rare and a heavily favored team will return
a very low winning payout. The spread is determined by various
professional football game ‘books’ and can vary from place to
place, but most games have a semi official point spread posted
days prior to the game. Most point spreads are multiples and
combinations of 7 and 3 points (the two major scoring values in
the game) with a ½ point value added. This half-point is added
to prevent ‘pushes’ or ties.
For example: Dallas plays Phoenix at home and the spread is
determined to be 14 ½ points. For a player to win then Dallas
must defeat Phoenix by at least15 points. If not then the wager
is loss, no matter if Dallas should finally win the game. By
the same token a player betting on Phoenix will win if either
the team wins outright or loses by less than 15 points.
The Over-Under
This is a number that represents the total of all points
scored in a game by both teams. Bets are made stating that the
bettor believes that this combined score will be either over or
under a preset number.
For example in the Dallas/Phoenix game if the over/under is
set at 45 ½ points the gambler states that he believes the game
will have a combined score of 45 points or less. If the final
score is Dallas 34, Phoenix 20 (a total of 54 points) then the
wager is lost.
Information used in setting the spread and
over/under
A multitude of factors go into the determination of both the
spread and the over/under for any one particular game. Here are
a few of the more important facts that can affect these betting
formats:
Team history- Some franchises seem to produce teams that
are consistently good teams. A contest between two
powerhouses will generate a lower spread, while the
over/under is determined by the overall type of teams
playing. High scoring low defense teams will produce a high
over under while two high defensive rated teams will
generate a relatively lower total point score.
Injuries- Which key players are injured to the point
where it might effect their participation in the game. If a
key player is out for one side or the other this can have a
drastic effect on the outcome of the contest.
Weather- Certain types of weather (winds, rain, snow
etc.) can have an effect on particular styles of play. If a
team is basically a running team and is playing good
passing team in high winds and rain then the running team
will have an advantage.
Home games vs.. Away- Certain teams perform markedly
better at home than when playing as the visiting team. Also
some stadiums (particularly those with loud fans) can have
a dramatic affect on a games outcome.
There are literally dozens of other factors that are
considered by those who set the point spreads and totals. Even
after a spread has been set, situations can occur that will
drastically change these figures. Despite what experts may
decide, on any given day an underdog team can upset the
favorite. This is why it is called a ‘gamble’.
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