Enter the following cheats at the cheat entry screen for the corresponding effect.

Result - Code:

Topps 2K6 All-stars - Dream Team
Rocket Arms - Gotcha
Bouncy Ball - Crazy Hops
Crazy Pitches - Unhittable
Super Wall Climbs - Last Chance

Unlocks all jerseys, stadiums, teams, arcade games, and cheats that can be purchased. Also unlocks six of the first seven skybox cheats. Enter password: Derek Jeter