I've included PFF grades (vs 2019), team leaders, and top/bottom 25 NFL stats.   Offensive Line -Getting harder to believe the coaching change doesn't have an impact Castonzo - PFF 69.1 (2019 PFF 81.3) Nelson - 76.4 (91.2) Kelly - 68.4 (73.0) Glowinski - 76.2 (60.5) Smith - 76.3 (79.8)   Quarterback Rivers - 73.4 (74.3) -9th in NY/A -13th in completion %, 17th in YPG -19th in QBR   Running backs Taylor - 65.5 (rook) -3rd in the NFL in catch % (all sk