If you go down the list of teams in the NBA, you will see that injuries have plagued many, many teams. Its an unfortunate reality in the NBA.
True of course.
But the season hasn't even started and May is already out for the season. Morrison maybe out for the season. Those aren't key players right now, but you can count on Wallace and Okafor having their annual injury and during those stints May and Morrison would have become key players.