How PFF graded Purdy, 49ers in demoralizing Week 13 loss to Bills

The 49ers' 2024 collapse continued with their 35-10 loss to the Buffalo Bills on Sunday at Highmark Stadium, and the team's PFF grades reflect the lopsided score. There were a few bright spots, however, that might give the 49ers Faithful hope that the long-term future remains bright. Some of San Francisco's young players stepped up in the wintry, snow-filled game that made footing and visibility a challenge. Just when Christian McCaffrey and coach Kyle Shanahan's run game appeared to be taking off, the All-Pro running back sustained a significant knee injury that might have ended his season. Jordan Mason took over and found the soft spot in the Bills' stout defensive line, but it wasn't enough to keep up with the home team in the long run. The elements clearly played their part in Brock Purdy's efficiency. The 49ers quarterback was limited to 11 completions on his 18 pass attempts for 94 yards with a fumble. Both fullback Kyle Juszczyk and wide receiver Deebo Samuel also had trouble holding on to the ball, and San Francisco's three total turnovers helped Buffalo take an insurmountable lead. Here are the 49ers' PFF grades from Week 13: Offense RB Christian McCaffrey — 76.9 Before...