49ers game review: The sack-less, new-look defense; ‘salty' Brock Purdy and Kyle Shanahan

The San Francisco 49ers defeated the Las Vegas Raiders 38-17 on Sunday in a dominant performance. Despite the lopsided victory, the game revealed defensive concerns including a lack of sacks, as well as offensive communication issues. Head coach Kyle Shanahan and quarterback Brock Purdy were reportedly left dissatisfied with certain aspects of the team's performance despite the win.