Brilliant topic star 11. What a great discussion.
I think that if a team has exhausted it's subs and may substitute on an injury, we may start seeing some (more?) fabricated injuries late in some tight, often very important games.
It's important to note that what was suggested was a limit on substitutions, not an elimination. What effect any new rule may have would depend on how stringent it is. If we allowed only 2 subs per game then we would see a lot of lopsided scores, injuries, etc. But if we limited a player to come off the field only twice in a game before returning or limited substitutions to 4-6 per half we would see a lot of players playing and learning to play through moments of fatigue and we would see a lot of coaches giving differnt sorts of consideration to how and when they substitute.
Also, I'm not sure the SCHSL would have the authority to make such a change or if it would have to be made at the national level.