Raiders fall 20-9 at home as the Chargers’ defense harasses Geno Smith all night and Vegas’ run game sputters. Smith’s three interceptions and a handful of stalled drives sap the offense, while Los Angeles leans on timely big plays from Keenan Allen and Quentin Johnston. Brock Bowers is active but yards are scarce. Las Vegas’ defense battles, but the discrepancy in three phases keeps this from a closer result. Week 3 preview: Washington looms.