Official betting is a type of wager that is settled by using official data provided by the sports governing body. It is allowed in some states and is a popular choice for many bettors.

While MLB does not prohibit players or team employees from betting on games, they are forbidden from placing bets on the league itself. That includes the NBA, WNBA, G-League and Basketball Africa league. Bets on college baseball, in-game betting and fantasy sports are also illegal. Those who violate the rules will be subject to disciplinary action on a team-by-team basis, according to the league.

A sportsbook is a gambling establishment that accepts bets on various sporting events and offers odds for each outcome. Most US states have legalized sportsbooks, with many of them offering online and mobile betting. The majority of new betting sites are launching in states that previously did not have legal sportsbooks. Others are rebranding and taking over the operations of existing sportsbooks.

Some of the most well-known betting scandals in professional sports involve teams and players. The most famous example is the 1919 Black Sox Scandal, when eight members of the Chicago White Sox fixed a series of baseball games for financial gain. Since then, multiple players and coaches have been banned from the game for violating the league’s anti-corruption code. The league collaborates with regulators, sportsbooks and independent integrity monitors to enforce these rules. In addition, it regularly conducts in-house investigations.