NFL Connections #21, Answers
The full solution: all four groups and the 16 names, sorted from the easiest group to the trickiest.
Threw for 70,000 career yards
Tom Brady, Drew Brees, Peyton Manning, Brett Favre
Rushed for 2,000 yards in a season
Saquon Barkley, Derrick Henry, Adrian Peterson, Chris Johnson
First-ballot Hall of Fame receivers
Calvin Johnson, Larry Fitzgerald, Randy Moss, Jerry Rice
Rams 'Greatest Show on Turf'
Kurt Warner, Marshall Faulk, Torry Holt, Isaac Bruce