Easy scoring:
Start a one-on-one game with a friend. Pump fake to get him/her to jump. Then, just go right around your opponent with a spectacular dunk or nasty nice lay-up

Getting fifteen steals:
Use a good point guard (preferably) with quick hands (Iverson, Kidd, Payton, Stoudamire, Brandon, and Knight are probably the best). Follow the ball. There are times when you can strip someone off the dribble, but that may be difficult (Kidd and Isiah Thomas do that the best). The easiest way is to strip a player trying to post-up down low, and your guard (the player you are controlling) comes on the double-team; but wait until the post player starts his dribble. You will steal the ball a lot by doing this.

Defeating Michael Jordan:
Defeat Michael Jordan one on one in superstar mode to unlock him on the roster.