The NCAA approved a policy Thursday that would ban states, such as Delaware, from hosting championship events if they allow fans to bet on single games.

Chancellors and presidents from all three NCAA divisions approved the measure, saying it applies to "any session of an NCAA championship," though it does not apply to states that allow parlay betting, lottery tickets, pull tabs and sports pools.

The move came one day after a federal judge denied a request by professional sports leagues and the NCAA to halt Delaware's planned sports betting lottery until a legal challenge is resolved.

Congress banned sports betting in 1992 while grandfathering four states — Delaware, Nevada, Montana and Oregon — that had already offered it.

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