Would anyone be surprised if comes finals time a team gets a player off the ground, say half way through the second quarter under the concussion rule, get a sub on for a burst until half time, get the concussed player back on in the third quarter and re-introduce a sub in the final quarter for a different player for another quick burst? I think that would be a good way to maximize the team's rotations and get the double impact from the sub. Of course, this wouldn't be ethical but if it helps a team win a finals game would a team resort to such manipulation?