The extension further ratchets up the border war between Missouri and Kansas over where the two teams should build their futures.

The teams have already had one year to negotiate with Kansas officials. But supporters say the deals are complicated — and are frustrated by delays.

A Kansas legislative committee has extended a deadline for the Chiefs and Royals to take advantage of a stadium financing plan from the state. The Kansas Legislative Coordinating Council on Monday unanimously approved the extension to use bonds to cover 70% of a new stadium's cost if the teams decide to relocate to the state.