I will just play the game for a few minutes, and then I can realize who is doing hot by shooting very well on the opposite team, and then at next timeout, I will double team 'always' PLUS 'high' pressure on these players.
This is a strategy that can shut down the on-fire opponent, and you will immediately see their cooling down!
I also use 'double team' at quickplay only, since I face same problem as Administrator said if I set double team as the defensive strategy always...ie. you often have some other opponents wide wide open and in team like Mavericks you suffer a lot with Nash's, Finley's, Nowitzki's, and Jamison's 3 pointers and long shots... way far from justified to have 'always double teaming' them.
I sometimes use 'double team' at quick play by allowing two of my CPU controlled teammates to do the double teaming, while I control a third player to go there to 'triple team'...the success rate is not low and maybe you would like to try this at times to turnover your opponent
Enjoy NBALive 2004
Mikelaker