Here's a fun graph -- NFL passing efficiency as measured by ANY/A.

Left to Right --> how good each passing offense is.

Down to Up --> how much each passing offense has declined/improved from 2019 to 2020.

PHI, BAL, DAL biggest decliners, 6 teams with huge improvements. pic.twitter.com/TQkzjJLFc1

— Football Perspective (@fbgchase) December 8, 2020