Minnesota Vikings coach Leslie Frazier thinks Adrian Peterson's absence from the team bus Sunday morning was "a big deal" but emphasized that the star running back's tardiness did not contribute to the team's lopsided loss to the Chicago Bears.

Peterson, who leads the NFL in rushing, missed the bus that left from Chicago's JW Marriott to take the Vikings to Soldier Field. Peterson arrived at the stadium nearly 30 minutes late, according to the NFL Network.

"Anytime one of your leaders is not where he's supposed to be, it's not good," Frazier said Monday. "I talk to our team all the time about being where you're supposed to be and being on time. It's a big deal."