How PFF graded Brock Purdy, 49ers after another brilliant performance

The 49ers dominated the Dallas Cowboys in their 42-10 win on "Sunday Night Football," which subsequently led to some interesting PFF grades. San Francisco quarterback Brock Purdy earned an 85.3 overall grade after another stellar performance in which he completed 17 of 24 pass attempts for 252 yards and a career-high four touchdowns. The quarterback's intermediate throws from 10 to 19 yards downfield continue to be his sweet spot. Purdy connected on 5 of 7 intermediate attempts for 105 yards and two touchdowns. Through five games, Purdy is now 27 of 31 for 490 yards, four touchdowns and a perfect 158.3 rating on those passes. The second-year quarterback also completed both of his deep throws of 20 yards or more for 61 yards and one touchdown. Purdy now has completed five of his last six attempts at that distance since missing three deep passes in Week 2. Purdy continues to be efficient while under pressure, completing 4 of 7 passes for 88 yards, two touchdowns and a 141.4 rating against the Cowboys. Here are more highlights from the 49ers Week 5 PFF grades: Offense The 49ers' offense allowed 10 total pressures, and the offensive line was responsible for all but one. Otherwise,...