Create a player and enter "STRONG ARM" as a name.
Go to the team selection screen. Hold R1 + R2 + L2 + L1 and press Up, Triangle, Right and Circle to unlock the teams of the Allstars from 1970s, 1980s and 1990s. When you have done this action correct, you will hear a sound.
Throw three strikeouts in a row with the same pitcher.
Hit two homeruns in a row with the same player.
Catch a ball that is going over the fence or make a diving catch.
Score four runs in a game with a team.
You can unlock certain stadiums by doing the following things. Note: These stadiums will appear after you complete the game you are playing in season or single mode in the stadiums option.
Island Stadium: Win by three or more runs in Pacific Bell Park (Giants), Kauffman Stadium (Royals), Edison International Field (Angels) or Coors Field (Rockies).
Space Stadium: Hit a ground rule double. Its easier to hit them on parks that have turf like the Skydome (Blue Jays) or Veteran's Stadium (Phillies).
Score ten or more runs to win a game.
Steal three bases with the same player in a single game.
Throw nine strikeouts in a row with the same pitcher.
Create a player and enter "SLUGGER" as a name. He will always hit a grand slam if batting with the bases loaded.
Go to create a player mode. Make a 100 ranked player. Go to One On One in Triple Play Challenge to hit homeruns.
When batting against the CPU, show for a bunt and the computer will pitch a fastballl 99.9% of the time. Your batter can hit a homer if at 75 or more power.
While running around the bases after hitting a homerun, press Triangle to hear a soft horn, Square to hear a loud horn, or Circle to hear a whistle.
Throw six strikeouts in a row with the same pitcher.
Make two diving or wall-climbing catches in a game.
Score eight runs in a game with a team.
Hit three triples by a team in a single game.
Hit one home-run in a game with a player who weighs over 250 pounds.
Long homeruns in Home Run Derby
When you play at Cashman's field in Home Run Derby mode, the ball travels very far. It is possible to hit one 665 feet with Manny Ramirez.
Strikeout against the CPU six times.
Make three double plays in a single game.
Hit eight home-runs in a game with a team.
Steal six bases in a game with a team.
Score five runs with the same player in a single game.
Make three diving or wall-climbing catches in a game.
Score twelve runs in a game by a team.
Hit a home-run with a player who weighs less than 150 pounds.
Get more than eleven hits in a single game.
Get two pick-offs, caught stealing, or outfield assists with the same player.
Get eight hits in a game with a team.
Get sixteen hits in a game with a team.
Get twelve hits in a game by a team.
Unlimited creation points
Create a player and enter Ichiro as a name.
Win a World Series in season mode only (not playoff mode) to compete in a world tournament versus the World Team, the Puerto Rico team, the Dominican team, the USA team, and the EA Dream Team. Note: The teams are listed in corresponding order. Win the championship versus the World team and move on to the Puerto Rico team. If you lose a game, you will not be able to play the other teams until you win another World Series.
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