Unlock the SegaNet, Mo Cap, and the Sega Sports Teams. All you have to do is go to the Main Menu and select Options, next, select Codes. Enter:

vc (in lower-case letters)

Return to the Main Menu and scroll through the team selections. You'll notice that the new teams were added to you list of available teams.

After you enter the Superstar Feature Cheat, chose Team Mo Caps. Redman will be sitting on the Bench at the start of the game but you can substitute him in to the game.

From the main menu you can access the Options menu and select Codes. From there you can enter:

Note: all codes are case-sensitive.

heliumbrain	Big Head Mode
alienbrain	Monster Players
tvirus	Infected Players
sohappy	Happy Players
whatamisaying	Crazy Commentary
betheball	Camer Inside B-ball
the70'slive	Hip Uniforms