City Police Chief Darryl Forte disclosed the arrests outside Arrowhead Stadium in a post on Twitter, The Kansas City Star reported.
Detectives were sent to parking lot A, but further details of the incident were not available, the newspaper said.
The Denver Broncos defeated the Chiefs in Kansas City 35-28 Sunday.
Google buys drone maker Titan Aerospace
Pistorius testifies he didn't consciously pull trigger when he shot girlfriend