Select any two teams on expendition mode, and press Z on stadium select to view the statium. Now press and hold R and Z, and fireworks will appear behind homeplate.

When you're batting, press Right, Left, Down, Right, Left, Up, Right, Left, and Down. Your batter will blow up and reappear after the next pitch.

If you're lucky, you might get hit by a pitch and get a free walk to first.

While batting, press R on controller two to see the CPU's pitches.

At the Create Player name screen, enter "code" for the first name and "bigfoot" for the last.

When batting, bunt the ball to the pitcher, not the catcher. Then, with the pitcher, dive twice and on the second dive grab the ball. When he stands up, he should walk in circles forever.

When you are up at bat, press Left, Left, Right, Right, Right, Left, and Left on the d-pad (not the joystick.)

NOTE: You have to hit the ball after you enter the code. Also, this code only works while playing with Griffey.

To play as Team Nintendo or Team Angel Studios, first you have to win the World Series with any team you want. Then, once you win, play an exhibition game and the two new teams should be under the two all-star teams.

On a pop fly to the outfield, allow the ball to drop then hold Z and press C-Up to run to second. When you reach second base, press C-Right, C-Up, C-Left, C-Down, C-Left, C-Up, C-Down, C-Right, C-Up, C-Left, C-Down to throw to various bases. The crowd should boo if the code worked. On the next ball into the outfield, ignore the ball and run and press either A or B and you should takeoff.

Go to the CREATE A PLAYER screen and enter your first name as CODE and your last name as PHATBATT.

Go to the "Create A Player" screen and create a player named CODE BIGGHEDZ.

Please Note: You must have beat the World Series on "Rookie" for the cheat to work.

Go to Create-A-Player and create a player named CODE CPUVSCPU.

Please note: You must beat the World Series on "All-Star" for the cheat to work.

Go to the create a player screen and create a player named CODE INVISIBLEMAN. You will hear a confirmation sound.

Go to the Create a Player screen and create a player named CODE TOOTHPICK.

Go to Create-A-Player and create a player named CODE THETICK.

Please Note: You must beat the World Series on "Veteran" for the cheat to work.

Go to the Create-A-Player option and create a player named CODE LIDDLELEAGUE.

Go to Create a Player and create a player named CODE WEEBLEMAN. The players will have large bodies, fat heads, and skinny chests.

Create a player named GO TEAM. This will give you 10 in all ratings, batting, power, clutch speed, and defense.
OR Go to create-a-player and pick an empty slot. Then enter your name in as Code Superhuman(first name, last name)and press the A button. You should hear a buzz and it will go to the menu screen. Go Back to create a player, any player you have already created, or any player that you are going to create will have Max Create points on the bar and you will make the perfect player.