How PFF graded Purdy, 49ers’ defense in troubling loss to Bengals

The 49ers dropped their third consecutive game Sunday, losing 31-17 to the Cincinnati Bengals, and there are questions as to what is going wrong with San Francisco. The 49ers' PFF grades indicate where a few of the issues reside. Brock Purdy completed 22 of his 31 pass attempts for 365 yards with one touchdown pass, two interceptions and a 94.2 rating. He was under pressure on 18 of his 39 dropbacks, or 46.2 percent, with most of the pressure coming from the interior of the offensive line. Normally challenged on his deep throws, Purdy connected on four of his five attempts of 20-or-more yards down field. The one pass he didn't complete was on target, but dropped by Brandon Aiyuk. Purdy also showed off his athleticism in his six scrambles, which are more than he has run all season combined (five). The Iowa State product finished with a team-high 57 rushing yards. Christian McCaffrey ran the ball 12 times for 54 yards. Here are more from the 49ers' Week 8 PFF grades: OFFENSE TE George Kittle - 83.9 The People's Tight End received the top grade of the offense, catching nine of his 11 targets for 149 yards with the two incompletions being graded as drops. Fifty-nine of Kittle's yards...