Secret Stadiums:
     You  must  be  holding  down  numbers 1 through 4 (not on NumPad)
while performing the cheat. At the Stadium Select screen, move all the
way  to the right, displaying the last 9 parks. Click on the following
stadiums   in   order:  Houston,  Atlanta,  Philadelphia,  Pittsburgh,
Atlanta,  and  then Montreal. You should hear a voice say "Triple Play
99." Now move back to the right to find the three new ball parks.

     Hold down 1, 2, 3 & 4 keys (not the ones on the NumPad) while the
following  cheats  are  being  performed. Left, Right, Down and Up are
performed with the arrow keys (not the ones on the NumPad).

Mammoth Homerun         Tab, Shift, Tab, Alt, Ctrl, Shift, Left, Right. 

     Do  this  while the batter is walking to the batters box or while
he is in the batters box.

Easy Strikeout          Up, Down, Tab, Shift, Tab, Alt, Ctrl, Shift.

     Do this while you're on the mound.

Announcer Comments
Commercials             Left, Shift, Right, Alt
Nicknames               Alt, Right, Shift, Left
Stadium info            Down, Ctrl, Right, Alt
Weather                 Ctrl, Down, Tab, Up
A Story                 Up, Tab, Right, Alt

Crowd Noises
Big Cheer               Shift, Left, Left, Shift
Little Cheer            Tab, Up, Up, Tab
ooh!                    Ctrl, Down, Down, Ctrl
boo!                    Alt, Right, Right, Alt

Rounding the bases after a homer
d                       to make the crowd whistle
s                       to hear a piano
a                       to hear a horn
w                       to hear a bigger horn