United States Football League - Wikipedia
United States Football League (2022) - Wikipedia
National Football League, American Football Wiki
The Low/High Point: Payroll & Offseason Planning - Viva El Birdos
NFL players union renews call for grass fields after Aaron Rodgers
USFL Players Association Vote to Pass CBA, Details Of Agreement
NFLPA apparently advising players to plan for an NFL work stoppage
USFL teams, rosters, schedule, rules & more to know about the 2023
USFL Players Ratify First Contract with United Steelworkers