MLB SlugFest 20-03 Cheats

Go to the match up screen and press B, Y, X the amount of times
indicated then the D pad in the indicated direction. Example for code
1-1-2-Left you would press B, Y, X, X, D pad Left.

Long bat               
0-0-4 Up
Wiffle bat             
0-0-4 Right
Mace bat               
0-0-4 Left
Softball bat           
2-4-2 Down
Rubber Ball            
2-4-2 Up
Maximum Speed          
0-0-3 Left
Maximum Power          
0-3-0 Left
Maximum Batting         3-0-0
Left
Big Head               
2-0-0 Right
Small Head             
2-0-0 Left
Infinite Turbo         
4-4-4 Down
Tourney Mode           
1-1-1 Down
No Fatigue             
3-4-3 Up
Roman Coliseum         
3-3-3 Up
Rocket Park Stadium     3-2-1 Up
Pinto Team (Brown Horse)2-1-0 Right
Lion Team              
2-2-0 Right
Eagle Team             
2-1-2 Right
White Horse Team        2-1-1 Right
Terry Fitzgerald Team   3-3-3 Right
Todd McFarlane Team     2-2-2 Right
Extra Time After Plays are made 1-2-3 Up
No Contact Mode         4-3-3
Left

At the match-up screen, press B, Y, and X to change the icons in the first, second, and third boxes respectively. The numbers in the following list indicate the number of times each button is pressed. After the icons have been changed, press the D-pad in the indicated direction to enable the code. For example, to enter 1-2-3 Left, press B, Y(2), X(3), Left. Note: More then one code may be activated per game.
 
Result Code
Infinite turbo 4-4-4 Down
Maximum speed 0-0-3 Left
Maximum power 0-3-0 Left
Maximum batting 3-0-0 Left
Rocket Park stadium 3-2-1 Up
Roman Coliseum stadium 3-3-3 Up
Eagle team 2-1-2 Right
Horse team 2-1-1 Right
Lion team 2-2-0 Right
Pinto team 2-1-0 Right
Todd McFarlane team 2-2-2 Right
Terry Fitzgerald team 3-3-3 Right
Extra time after plays 1-2-3 Up
No fatigue 3-4-3 Up
No contact 4-3-3 Left
Log bat 0-0-4 Up
Wiffle bat 0-0-4 Right
Mace bat 0-0-4 Left
Rubber ball 2-4-2 Up
Softball 2-4-2 Down
Big heads 2-0-0 Right
Small heads 2-0-0 Left
Tournament mode 1-1-1 Down

2-4-2 Down

To activate these cheats, go to the match-up screen as the game is loading and press B (first position), Y (second position) and X (third position) the listed amount of times, then press the cotroller direction indicated to unlock the cheat:

Log Bat: 0, 0, 4, Up
Rubber Ball: 2, 4, 2, Up
Extra Time: 1, 2, 3, Up
No Fatigue: 3, 4, 3, Up
Rocket Park Stadium: 3, 2, 1, Up
Roman Coliseum Stadium: 3, 3, 3, Up
16 Softball: 2, 4, 2, Down
Unlimited Turbo: 4, 4, 4, Down
Tournament Mode: 1, 1, 1, Down
Mace Bat: 0, 0, 4, Left
Maximum Speed: 0, 0, 3, Left
Maximum Power: 0, 3, 0, Left
Maximum Batting: 3, 0, 0, Left
Small Heads: 2, 0, 0, Left
Wiffle Bat: 0, 0, 4, Right
Big Heads: 2, 0, 0, Right
Pinto Team: 2, 1, 0, Right
Eagle Team: 2, 1, 2, Right
Lion Team: 2, 2, 0, Right
Horse Team: 2, 1, 1, Right
Todd McFarlane Team: 2, 2, 2, Right
Terry Fitzgerald Team: 3, 3, 3, Right

At the match-up screen, press B, Y & X the indicated amount of times. Example: 2-1-2 Left should be B, B, Y, X, X, Left.

Tournament mode 1-1-1 Down
Softball 2-4-2 Down
Rubber Ball 2-4-2 Up
No contact 4-3-3 Left
No Fatigue 3-4-3 Up
Big Head Mode 2-0-0 Right
Small Head Mode 2-0-0 Left
Wiffle Bat 0-0-4 Right
Mace Bat 0-0-4 Left
Log Bat 0-0-4 Up
Terry Fitzgerald Team 3-3-3 Right
Todd McFarlane Team 2-2-2 Right
Horse Team 2-1-1 Right
Eagle team 2-1-2 Right
Lion team 2-2-0 Right
Pinto team 2-1-0 Right
Extra time after plays 1-2-3 Up
Rocket Park stadium 3-2-1 Up
Roman Coliseum stadium 3-3-3 Up
Maximum Power 0-3-0 Left
Maximum Speed 0-0-3 Left
Maximum Batting 3-0-0 Left
Unlimited Turbo 4-4-4 Down