Unblockable dunk
Get a good dunker (for example, LeBron James) and turn all the rules off. Run down the baseline until you get under the net, then pop out and press [Square]. It is unblockable, and if it is done correctly it will always go in.
Super team
Select any mode, then when you are in the game press [Start]. Go to "Settings". Select "Game Settings". When the screen appears at the top , one will be marked "Global Slides". Press [R2] until it gets to "User Slides". Set everything on that list to 100. Play your game and your team should unbeatable.
Recommended team
Allen Iverson (76ers)
Steve Nash (Suns)
Chauncy Billipus (Pistons)
Kobe Bryant (Lakers)
Vince Carter (Nets)
Richard Hamilton (Pistons)
Carmelo Anthony (Nuggets)
LeBron James (Cavaliers)
Tracy McGrady (Rockets)
Kevin Garnett (Timberwolves)
Tim Duncan (Spurs)
Shaquille O'Neal
Ben Wallace (Pistons)
Use the following players:
Lebron James
Shaq
Vince Carter
Tim Duncan
Allen Iverson
Steve Nash
Kevin Garnett
Tracy McGrady
Gilbert Arenas
Ben Gordon
Dwayne Wade
Carmelo Anthony
Kobe Bryant
Recommended PG and 3 Pointer creation
When creating a PG and 3 Pointer, set his height to 6'0" and weight to 150 lbs.