How PFF graded Purdy, 49ers in mistake-filled loss to Vikings

The 49ers had a sloppy performance in their 23-17 loss to the Minnesota Vikings on Sunday at U.S. Bank Stadium, but there were a few standout performances mixed in with the mistakes that unfolded in all three phases of the game. A week after San Francisco's defense stifled the New York Jets, Minnesota was able to move the ball well, gaining over 400 yards of offense on only 54 plays, or 7.5 yards per play. Vikings quarterback Sam Darnold finished the day completing 17 of his 26 attempts for 268 yards with two touchdowns and one interception. But it wasn't just through the air where the Vikings were successful - it was on the ground, too, with 24 rushing attempts for 146 yards, including Darnold, who carried the ball five times for 32 yards. It was uncharacteristic to see the 49ers' defense break containment to that extent. On the other side of the ball, the 49ers' offense clearly missed Christian McCaffrey's presence after he was placed on injured reserve and will miss at least the next three games as well. Jordan Mason did an admirable job carrying the ball 20 times for 100 yards while also recording one catch for four yards, but he does not stress opposing defenses as much as...