"We are facing different economic realities than we have in prior years," said Greg Aiello, an N.F.L. spokesman, adding, "For the most part, these new realities reflect a significant increase in costs, including the cost of building, maintaining and operating stadiums".
When the Devils submitted their request for playing dates to the authority, which operates the stadium and the arena, they knew that either a Giants or Jets playoff game would take precedence if there was a conflict, Samerjan said.
The Metropolitan Sports Facilities Commission, which operates the stadium, wants the Twins to get a promise in writing from the Vikings.
But the switches remain in place after the city, which owns and operates the stadium, decided to patch, rather than replace, the outdated equipment.
Greg Aiello, an N.F.L. spokesman, said the league would follow up on the complaint with the New Jersey Sports and Exposition Authority, which operates Giants Stadium.
But three other groups submitted opposing bids, and it was not until last month that the London Legacy Development Corporation, which operates the stadium, announced that West Ham had emerged as the "preferred bidder" in the new process.
The Kraft sports and entertainment division owns and operates Gillette Stadium, the New England Patriots football team and the New England Revolution soccer team.
A1 Giants Make a Stadium Offer The owners of the New York Giants have offered to pay the estimated $700 million cost to build a new stadium on New Jersey state land in return for operating the stadium rent-free and controlling all events there year-round, a team official said.
A minor league owner's big costs are operating the stadium, marketing and staff salaries.
In front of him, technicians operated the stadium's huge scoreboard.
Lambeau Field is the oldest continually operating N.F.L. stadium, and the third-oldest continually operating site in major sports behind Chicago's Wrigley Field and Boston's Fenway Park.
