Chiefs fans will notice changes at Arrowhead Stadium this season as renovations for the 2026 FIFA World Cup get underway. KC ...

"GEHA Field at Arrowhead Stadium opened Aug. 12, 1972," ESPN writer Alex Kennedy wrote back in February. "It has been updated a number of times, including a $375 million renovation in 2010.

Here’s another: If the Chiefs renovate Arrowhead Stadium, it would likely require 3-4 years of construction, the team estimates, because they would still need to use the facility in the meantime.