Pretty much, extract the three files, those being the uniquefacepatch.exe, Bats.zip and planetcricketv1a.ros.exe, into the main directory I think, and then run them in the order instructed.
by Burma's Finest
Instructions
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Please follow these instructions precisely and with care. Failure to do so will result in the patch not working properly or even in the game crashing.
1. Run uniquefacepatch.exe and follow the on-screen instructions.
2. Open Bats.zip and extract all of the files to your root directory (e.g., C:\Program Files\EA SPORTS\EA SPORTS Cricket 2005).
3. Run planetcricketv1a.ros.exe which will install the roster file to the correct location.
If you have followed all of these instructions then you should be able to enjoy the expanded bat roster of 55 bats with no problems or difficulties.