FIFA are currently experimenting a new football system with these changes:

🔘 30 minutes a half.
🔘 The game clock stops when the ball goes out of play.
🔘 Unlimited subs.
🔘 Throw-ins played with feet.
🔘 5 minute suspension for a yellow card.

(Source: @mundodeportivo)

— Transfer News Live (@DeadlineDayLive) July 17, 2021