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The biggest project in North American sports history is big enough to have two construction firms build it.

Via Don Muret of SportsBusiness Journal, the Rams picked a joint venture between Turner Construction and Hunt Construction to build the team’s $2.5 billion stadium, which eventually may be shared with the Chargers or Raiders.

The Turner-Hunt partnership won a process that included Tutor Perini and a joint venture between Skanska and Webcor.

The new stadium in Inglewood is due to open in 2019. The Rams will play their home games for the next three seasons at the L.A. Coliseum. (Other than the “home” games they’ll play in London, China, or elsewhere.)

With the NFL launching impressive new stadiums in Minnesota this year and Atlanta next year, the L.A. venue will become the new gold standard for NFL stadiums. Unless and until the next oversized football cathedral is built, putting pressure on everyone else to keep up and continuing a cycle in which buildings that should last for a century become obsolete almost as quickly as automobiles.