Possible Clues:

• Pigskin org. with outlandish rules that lasted one season
• Short-lived gridiron org.
• Short-lived and generally disastrous sports experiment of the early 2000s
• Sports org. that lasted only one season
• Gridiron org. rebooted in 2020
• Vince McMahon's short-lived sports org.
• Gridiron group rebooted in 2020
• Sports org. of the early 2000s
• 2001 sports flop, for short
• Its teams included the Orlando Rage and the Memphis Maniax