Kansas City Chiefs cornerback Jaylen Watson was placed in the concussion protocol and backup safety Deon Bush was lost for the season to a ruptured Achilles tendon sustained during their first preseason game Saturday night.

Kansas City Chiefs safety Deon Bush is expected to miss the upcoming season after sustaining a torn left Achilles during the team's preseason game against the Arizona Cardinals on Saturday.

The Kansas City Chiefs got off to a rough start in their preseason, falling to the Arizona Cardinals in a narrow defeat decided by a late field goal in the final quarter. The loss