Perform drills that force your players to think
Learn to do things right and then do them right every time.
You can't imagine the number of people in professional sports who have come up to me and said, "God, you treat those assholes like I'd like to treat them." And my question is, "Then why don't you?".
Practice structure determines success.
A great way to test the conditioning of your team is the two-mile run.
You don't play against opponents, you play against the game of basketball.