Getty Chiefs quarterback Patrick Mahomes at Missouri Western State University on August 06, 2025. With another training camp in the books, Kansas City Chiefs quarterback Patrick Mahomes is ready to make his first start of the 2025 preseason against the Arizona Cardinals on Saturday, August 9. Mahomes is unlikely to play more than a few snaps, however, Mahomes is excited to get out there to start the new season, officially putting the team’s Super Bowl LIX blowout loss behind him. Fans, however,