When in a tournament or franchise, do not trade in that trade in the home screen. The teams will not take your players, but in the home screen they will take anything.

Use the following players.

Baron Davis
Paul Pierce
S. O'neal
Yao
Eddy Curry
Sam Cassel
M. Finely
R. Hamilton
R. Lewis
Abdur-Rahimd
D. Nowitzki
Troy Murphy

Use the following players:

Stephon Marbury (Knicks)
Vince Carter (Nets)
Paul Pierce (Celtics)
Allen Iverson (76ers)
Gary Payton (Celtics)
Tracy McGrady (Rockets)
S.O'Neal (Heat)
Yao (Rockets)
Tim Duncan (Spurs)
Kevin Garnett (Timberwolves)
Baron Davis (Warriors) Note: In NBA he is on the Hornets.
Jason Richardson (Warriors)

After you have scored, stand in front of the man holding the ball and he will not move, or move very slowly. Keep standing in front of him and move along with him to make the other team get a backcourt violation.