The bill approved Wednesday by a Senate economic development committee would provide a tax credit to local organizing groups equal to $5 for every ticket sold to the sporting events.
State Senators unanimously approved big changes to tax increment financing, in hopes of clamping down on use of the incentives.
October is National Energy Awareness Month.
They hope to vote on it Friday.
The proposed sports incentives are part of the agenda for a special legislative session that starts Tuesday.
Nixon and lawmakers have been working since the end of the legislative session in May to build a package that would authorize new business incentives while paring back tax credits.
Tax incentives among issues still unresolved on last day of session.
New rules will help promote energy efficiency.