Rebalancing involves the members of the initial Rostering Committee and some members of the Executive, who consider these key factors to hammer out any switches, which in principle are kept to a minimum: impact players, strong or weaker, who missed the initial games spares assigned to the team in its initial games age and fitness of the team after its initial games actual skill and fitness of new players, often unknown at the outset who’s been reassigned before and should be left in peace this season.