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Houston will host its third Super Bowl in February 2017 when Super Bowl LI is played at NRG Stadium.

However, the stadium itself requires some significant upgrades over the next two years before the AFC and NFC Champions line up for kickoff.

According to John McClain of the Houston Chronicle, the upgrades required for NRG Stadium could cost upwards of $50 million. The money would go toward installing Wi-Fi in the stadium and upgraded the club and suite areas of the building.

The improvements to the stadium were promised as a part of Houston’s Super Bowl bid.

“There are investments that need to be made to have that special Super Bowl experience – those commitments that were made within the bid when Houston was awarded the Super Bowl,” said Peter O’Reilly, the NFL’s senior vice president of events.

The majority – if not all – of the money for those upgrades are expected to come from Harris County.

“Some of those (expenses) may be the responsibility of the county, and some may not be,” said Edgar Colon, chairman of the Harris County Sports and Convention Corp. “We’re analyzing all that and going through the contracts and the documents and having conversations with our major tenants to resolve all of these contractual obligations. I’m sure all are going to be resolved in time.”