Week 5 in the NFL Offensive Line Index: Colts surge to No. 2 after a dominant win over the Raiders, allowing only five pressures on 32 passing plays and posting a 92.2 PFF pass-blocking efficiency. Nelson leads a strong unit as Goncalves and Bortolini shine among the guards and centers. Denver remains No.1 with a steady line and Bolles excelling in run-blocking. Eagles slip to No.4 after Landon Dickerson’s injury and general decline, while Buffalo sits at No.3 with clear Week 6 projections. PFF analysis highlights how the smallest weak links swing results.