Cheat Codes
Go to the options screen, select "Cheat Codes" and enter the code below. 
If you entered the code correctly, you will hear Tiger Woods say "Oh Yeah!"

Codes:

ALLTW3 - All golfers14
COURSES - All courses
14COURSES - All courses
SUNDAY - Super Tiger Woods
XON - Brad Faxon
IAM#1 - Cedric "Ace" Andrews
BANDPANTS - Charles Howell 
IIIGODFATHER - Dominic "The Don" Donatello
MCRUFF - Hamish
THESWING - Jim Furyk
SUPERSTAR - Josey "Superstar" Scott
JUSTINTIME - Justin Leonard
COWGIRL - Kellie Newman
CALCULATE - Mark Calavecchia
TB - Mark Omeara
YOYOYO - Melvin "Yosh" Tanigawa
NOTABLY - Notah Begay 
IIISOLITARY1 - Solita Lopez
SS - Steve Stricker
SINK - Stewart Cink
ORANGES - Stuart Appleby:
2TON - Takeharu "Tsunami" Moto
TYNO - Ty Tryon
VALENTINE - Val "Sunshine" Summers
VJSING - Vijay Singh

Black Rock Cove course:
Use a memory card with a saved file from Tiger Woods PGA Tour 2002. 

Extra money:
Use a memory card with a saved file from another EA Sports game.