Pre Game Warmups: Make sure that your players are taking shots that they will get from their man to man and zone offenses. Make sure they get enough foul shooting. MAKE SURE THEY DO THIS ESPECIALLY WHEN THEY GO TO PARINER FREE SHOOTING.
Players left on their own have a tendency not to do this and take too many 3 pointers in pre-game shooting.
Have specific drills to get your players the type of shots you wantr them to get from your offense.
Teams only have 15 minutes of pre-game warmups. make sure they used this time properly and productively.