Can Brock Purdy and the San Francisco 49ers continue their dominant 2026 season against the Las Vegas Raiders in Week 9? PFN's Max Chadwick previews the Raiders vs. 49ers matchup, featuring an intriguing coaching storyline as brothers Klint and Klay Kubiak face each other from opposite sidelines. San Francisco enters the matchup at 6-1 with one of the NFL's most explosive offenses, while Las Vegas has improved to 4-4 under first-year head.