Under the proposal, the city, which already owns the land under the arena, would buy the building for $87.5 million.

WASHINGTON — After months of negotiations to keep the Washington Wizards and Capitals in D.C., Mayor Muriel Bowser is seeking millions of dollars to buy and own Capital One Arena. The proposal was filed by DC Council Chairman Phil Mendelson.

A new proposal from D.C. Mayor Murial Bowser would keep the Washington Wizards and Capitals playing at Capital One Arena through at least 2050.