It'll be interesting to see how much it will effect a team in the late stages of a game if a player goes down in the first 5 minutes. This year you'd use a sub, and have 3 on the bench with 120 rotations for 120 minutes.
Next year you'll have 3 on the bench and 90 rotations for 120 minutes.
Next year you'll have 3 on the bench and 90 rotations for 120 minutes.