DENVER—A sign proclaiming the new name of the home of the Denver Broncos is ready for Monday Night Football.

A “Sports Authority Field at Mile High” sign was completed on the stadium’s south entrance Thursday.

There are also painted signs on top of the stadium that will be visible in aerial shots during Monday’s home opener against Oakland.

Last month, Colorado-based Sports Authority took over the naming rights from Invesco, a mutual fund company, and has been rushing to put its mark on the stadium.

Executive vice president Jeff Schumacher said the company is spending about $6 million on changes this year and the work will continue through the season.

The company is asking for help coming up with slogans to celebrate the team’s fans, promising winners gift cards to its stores.