While Brock Purdy's initial success as "Mr. Irrelevant" came more from his quick release getting the ball to the San Francisco 49ers' deep stable of explosive playmakers, this season has found the quarterback throwing deep more often.

A lot has changed for both teams since their overtime thriller in Las Vegas, including significant injuries. Our beat writers break it down.

Eight months later, the pain of losing a second Super Bowl in five seasons to the Kansas City Chiefs has barely subsided for the San Francisco 49ers as they prepare for a rare regular season rematch.