Are the 49ers in a tier of their own in the NFL Offensive Line Rankings? We rank all 32 O-lines from elite to struggling. hosted by PFN's Ian Cummings and Jacob Infante. San Francisco takes the top spot behind Trent Williams and a unit thriving in Kyle Shanahan's scheme, but several contenders aren't far behind. The guys break down the Bears' rise, the Chiefs' surprising protection, and the strengths of Detroit, Buffalo and Indianapolis. They also move Denver up, drop Arizona after losing Paris Johnson Jr., debate Baltimore's outlook after adding Cam Jurgens, and identify the offensive lines creating major problems for their offenses. Use PFN's FREE NFL Tier List Builder → profootballnetwork.com/nfl-hq/tier-list-builder ---------------- Chapters 0:00 -- Ranking All 32 NFL Offensive Lines 2:54 -- 49ers Stand Alone at No. 1 11:08 -- Exceptional Tier: NFL's Best O-Lines 21:29 -- Solid Tier and Potential Risers 24:44 -- Broncos Up, Cardinals Down 27:52 -- Middling Tier: Ra...