NEWYou can now listen to Fox News articles! Training camps opened across the NFL this week, and the Detroit Lions and Los Angeles Chargers will meet in Canton, Ohio, July 31 to officially kick off the preseason. As the excitement for the 2025 season builds, at least one running back will likely spend the month of August watching from the sideline. Houston Texans star Joe Mixon’s persistent ankle issue is expected to keep him from suiting up this preseason.