Teams will be able to continue to use five substitutions for the 2020/21 season after FIFA chose to extend the rule for another year. It is now up to individual leagues to decide whether they want to continue to do so, as it is not an official rule change, but one that is expected to be used around Europe to help cope with the high demand of action.
The rule initially came as a result of player fitness being at an all-time low following the suspension of football and training. Now, it looks like five subs is here to stay after it was seemingly successful in England, despite the few calls it helps the wealthier clubs with more squad depth and destroys those lower down.
Here, we take a light-hearted look at some other rules from various sports that we would be interested to see in football.