Cheat Codes
The Following Cheat Codes Can Be Entered During Gameplay or At The Title Screen:

Big Ball:
U, U, R, L, U, U, R, L

Beans:
R, R, R, R, R, R, L, D

Big Head:
L, R, L, R, U, D, U, D

Black and White:
U, U, D, D, L, R, L, R

Fast Run:
L, R, L, R, L, R, U, U

Slow Run:
R, L, R, L, R, L, D, D

Small Head:
U, D, U, U, R, R, R, L

SUer Pitch Break:
R, L, R, L, R, L, U, U

SUer Pitch Speed:
U, U, U, L, L, L, L, R

SUer Six Pitches:
D, U, D, R, R, R, R, L

Unlock All Players:
L, U, L, R, D, R, L, U

Unlock All Stadiums:
D, U, L, R, U, R, U, D

Unlock All Teams:
L, R, R, D, D, L, U, U

Unlock All Uniforms:
U, D, R, L, D, R, D, U

Unlock Players From the Golden Era:
Create a profile, and then view rewards. Just scroll over and you'll see the other listings; Silver Era, etc.

Player : Reward Points

Al Barlick : 10
Al Lopez : 15
Babe Ruth : 50
Bob Feller : 25
Bob Lemon : 25
Bobby Doerr : 25
Buck Leonard : 20
Christy Mathewson : 45
Cy Young : 50
Dizzy Dean : 40
Early Wynn : 25
Eddie Collins : 40
Enos Slaughter : 20
George Kell : 30
Glover Alexander : 40
Hal Newhouser : 30
Honus Wagner : 45
Jackie Robinson : 50
Jimmie Fox : 45
Larry Doby : 25
Lefty Gomez : 40
Lefty Grove : 40
Lou Boudreau : 30
Lou Gehrig : 45
Mel Ott : 45
Mickey Cochrane : 40
Monte Irvin : 20
Mordecia Three Finger Brown : 35
Pee Wee Peese : 20
Phil Rizzuto : 20
Ralph Kiner : 30
Red Schoendienst : 20
Rick Ferrell : 25
Rogers Hornsby : 45
Roy Campanell : 35
Satchel Paige : 40
Sparky Anderson : 20
Tris Speaker : 40
Ty Cobb : 50
Walter Johnson : 45