The Oklahoma City Thunder are not a perfect team, which is why each of their players has at least one way in which they need to improve.
Beating the Miami Heat for a title will not be easy, but getting to the point where the Thunder have the chance to do that will not be much easier. For Oklahoma City to get through the West, they need each of their components to improve in at least one key way.
Every man who plays for this team has a weakness, and many have multiple ones. However, if they can just each improve a small amount, it will make the team leaps and bounds better for the playoff run that is coming.