Most online sportsbooks, mainly US sportsbooks only allow players to wager on the win market. Although some, such as BetUs, which is a leading US sportsbook will occasionally open up a book in the "over/under" market แทงมวยพักยก. This means aside from the predicting a winner you can also bet on whether a fight will make it past a certain distance, usually the 11 1/2 round mark. This particular market can be very profitable, and it is definitely worth searching around for this betting market just for this feature. Although you should take in to account that this market is only available for specific fights, usually only the high profile fights.