My very first trainer, thanks to expokiki for the tools, XPGRinnegan for the extensive help and troubleshooting to get it working and JACKASS for the trainer engine.
Massive My Player Skill Points - Enter in My Player skill screen.
1. Download the attached files.
2. Unzip the files
3. Drop the Trainer_Loader.xex and Trainer.xex into the "MLB 2K13" game folder with the default.xex
4. Launch Trainer_Loader.xex
5. You can now start game by God/DVD/Extracted..
6. Press Start+Back while in the game for codes...