All bets on Betfair have been placed there by users who either
want to have a bet in the normal way (back), or offer odds to other punters
(lay).
Bets are matched between people with opposing views.
Why use Betfair?
You can bet that an outcome will happen (back) or that it won't
happen (LAY).
You can choose the odds you want to play at.
You can bet whilst the game is in play.
