Rainford said the CVC must simply prove that the dome is top tier in each of several different categories. While some are subjective, others are not, he said. For example, one criteria is scoreboard size, and the proposed board would be among the largest in the NFL.
Kroenke, who is married to the daughter of Wal-Mart co-founder James "Bud" Walton, wns an estate in Malibu, Calif., and is among the finalists seeking to buy baseball's Los Angeles Dodgers, leading to speculation about a possible move to California.
Or London. Those concerns were raised last month with the announcement that the Rams will play one "home" game each of the next three seasons in London, where Kroenke owns a majority share of the English soccer club Arsenal. NFL Commissioner Roger Goodell has often spoken of possibly locating a team in London. The CVC contends the games in England violate a lease agreement requiring all home games to be played in the dome.
Kroenke purchased a 40 percent share of the team when Georgia Frontiere moved the Rams here. She died in 2008, and two years later, Kroenke bought the remaining stake from her children.
Stadium issues were also at the heart of the Cardinals' flight from St. Louis 25 years ago. Owner Bill Bidwill moved to Arizona after repeated tries to get a football-only stadium failed. The football Cardinals shared old Busch Stadium with the baseball Cardinals.
Stadium issues have also cropped up in Minnesota, where the Vikings want a replacement for the Metrodome. The team is talking with state lawmakers and local officials about potential sites, including the current Metrodome land.
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