Getty Chiefs tight end Travis Kelce #87 during an NFL preseason game against the Cardinals at State Farm Stadium on August 09, 2025. The Kansas City Chiefs kicked off the 2025 preseason by taking on the Arizona Cardinals on Saturday, August 9. While the Chiefs took an early 14-3 lead, Kansas City ultimately lost 20-7 in the meaningless exhibition game. Chiefs head coach Andy Reid initially suggested that quarterback Patrick Mahomes would play a full quarter before rotating through the backups,