The National Collegiate Athletic Association (NCAA), National Football League (NFL), National Basketball Association (NBA), National Hockey League (NHL) and Major League Baseball (MLB) jointly filed suit Tuesday against New Jersey Governor Chris Christie and other New Jersey officials in an attempt to block the introduction of state-regulated sports betting.

The US amateur and professional sports bodies are challenging the legality of New Jersey’s plans to introduce sports betting under the state’s January 2012 Sports Gambling Law, which contravenes the 1992 Professional and Amateur Sports Protection Act (PASPA) barring all but four US states from engaging in sports betting.

The sports bodies claim that not only is New Jersey’s sports betting plan in “clear and flagrant violation of federal law” but also a threat to the integrity of sport.

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