The timing of substitution is strategic. The 5 player substitute was implemented during the breakdown of coronavirus pandemic and it was because of the welfare of the players because we were not in normal times.The suspension of football due to covid-19 had a lot of impact on the players especially those who were spending time with their families and didn’t train. There is going to be a lot of injuries because of lack of training and Combining with a lot of games in a short period of time is very alarming so the ideal substitute rule must be 5 so that it helps managers have their key players always fit for the next match.
We are still not in normal times and if it’s adopted it will help prevent injuries as well as allows us to enjoy quality football till the end of the 90 minutes. The ideal 5 substitution rule will help as know the difference between good and a bad coach because some of them are very fortunate for the positive side and give best clubs with advantage as the negative side.
In conclusion, 5 substitution rule should be the number of ideal substitution in football.